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carbon-lang/toolchain/check/testdata/impl/import_thunk.carbon
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Dana Jansens e682a6660d Avoid adding extraneous local instructions while importing witness table entries (#6180) 
When deducing arguments for generic parameters of an `impl`, the
deduction calls `Convert` on the input arguments. Often, the input
argument is a facet, and needs to be converted to a type via
FacetAccessType in order to produce a different facet. These
instructions end up being added to the semir, but only their constant
values are needed for the resulting specific returned from Deduce.

In the best case, these extra instructions are just noise in the semir,
or they just cause instruction names to get differentiated with larger
suffixes.

In the worst case, these extra instructions contain references to
instructions from a generic context, and leak them out of that generic
context and into another. In particular, when importing a
LookupImplWitness instruction, the re-evaluation of it can do deduce
(when the lookup is against a generic `impl`). The instructions created
in Deduce are not part of the import, and end up referring to imported
instructions from the local context, which leads to confusion in the
toolchain, and can crash.

The `import_self_specific.carbon` test demonstrates this. It causes the
`I.F` function to be imported from the `I` interface when building the
witness table for the `impl`. Doing so imports the specific of `C` which
includes a LookupImplWitness for `Self.Accoc` in `I`. The `Self` is a
BindSymbolicName with generic binding index 0, in `I`. When Convert
creates instructions in the generic `impl forall D`, however, they end
up referencing and including this BindSymbolicName into its eval block.
But the generic binding 0 in the `impl` is a very different thing (a
value of type `E`). This confusion leads to crashes.
2025-10-09 16:07:30 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/destroy.carbon
// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/impl/import_thunk.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/impl/import_thunk.carbon
// --- a.carbon
library "[[@TEST_NAME]]";
interface I {
fn F(x: {});
}
// --- b.carbon
library "[[@TEST_NAME]]";
import library "a";
class C(X:! ()) {}
impl forall [Y:! ()] C(Y) as I {
fn F(x: C(Y)) {}
}
// --- c.carbon
library "[[@TEST_NAME]]";
import library "a";
import library "b";
fn G() {
C(()).(I.F)({});
}
// CHECK:STDOUT: --- a.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %I.type: type = facet_type <@I> [concrete]
// CHECK:STDOUT: %Self: %I.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %pattern_type: type = pattern_type %empty_struct_type [concrete]
// CHECK:STDOUT: %I.F.type: type = fn_type @I.F [concrete]
// CHECK:STDOUT: %I.F: %I.F.type = struct_value () [concrete]
// CHECK:STDOUT: %I.assoc_type: type = assoc_entity_type @I [concrete]
// CHECK:STDOUT: %assoc0: %I.assoc_type = assoc_entity element0, @I.%I.F.decl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .I = %I.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %I.decl: type = interface_decl @I [concrete = constants.%I.type] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @I {
// CHECK:STDOUT: %Self: %I.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
// CHECK:STDOUT: %I.F.decl: %I.F.type = fn_decl @I.F [concrete = constants.%I.F] {
// CHECK:STDOUT: %x.patt: %pattern_type = binding_pattern x [concrete]
// CHECK:STDOUT: %x.param_patt: %pattern_type = value_param_pattern %x.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %x.param: %empty_struct_type = value_param call_param0
// CHECK:STDOUT: %.loc5_12.1: type = splice_block %.loc5_12.3 [concrete = constants.%empty_struct_type] {
// CHECK:STDOUT: %.loc5_12.2: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc5_12.3: type = converted %.loc5_12.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %x: %empty_struct_type = bind_name x, %x.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %assoc0: %I.assoc_type = assoc_entity element0, %I.F.decl [concrete = constants.%assoc0]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: .F = %assoc0
// CHECK:STDOUT: witness = (%I.F.decl)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @I.F(@I.%Self: %I.type) {
// CHECK:STDOUT: fn(%x.param: %empty_struct_type);
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.F(constants.%Self) {}
// CHECK:STDOUT:
// CHECK:STDOUT: --- b.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %.Self: %type = bind_symbolic_name .Self [symbolic_self]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %X: %empty_tuple.type = bind_symbolic_name X, 0 [symbolic]
// CHECK:STDOUT: %pattern_type.cb1: type = pattern_type %empty_tuple.type [concrete]
// CHECK:STDOUT: %C.type: type = generic_class_type @C [concrete]
// CHECK:STDOUT: %C.generic: %C.type = struct_value () [concrete]
// CHECK:STDOUT: %C.13320f.1: type = class_type @C, @C(%X) [symbolic]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %Y: %empty_tuple.type = bind_symbolic_name Y, 0 [symbolic]
// CHECK:STDOUT: %C.13320f.2: type = class_type @C, @C(%Y) [symbolic]
// CHECK:STDOUT: %I.type: type = facet_type <@I> [concrete]
// CHECK:STDOUT: %Self.7ee: %I.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: %I.F.type: type = fn_type @I.F [concrete]
// CHECK:STDOUT: %I.F: %I.F.type = struct_value () [concrete]
// CHECK:STDOUT: %pattern_type.a96: type = pattern_type %empty_struct_type [concrete]
// CHECK:STDOUT: %I.impl_witness: <witness> = impl_witness file.%I.impl_witness_table, @C.as.I.impl(%Y) [symbolic]
// CHECK:STDOUT: %pattern_type.ccc: type = pattern_type %C.13320f.2 [symbolic]
// CHECK:STDOUT: %C.as.I.impl.F.type.a1f290.1: type = fn_type @C.as.I.impl.F.loc8_17.1, @C.as.I.impl(%Y) [symbolic]
// CHECK:STDOUT: %C.as.I.impl.F.e1c928.1: %C.as.I.impl.F.type.a1f290.1 = struct_value () [symbolic]
// CHECK:STDOUT: %I.facet: %I.type = facet_value %C.13320f.2, (%I.impl_witness) [symbolic]
// CHECK:STDOUT: %C.as.I.impl.F.type.a1f290.2: type = fn_type @C.as.I.impl.F.loc8_17.2, @C.as.I.impl(%Y) [symbolic]
// CHECK:STDOUT: %C.as.I.impl.F.e1c928.2: %C.as.I.impl.F.type.a1f290.2 = struct_value () [symbolic]
// CHECK:STDOUT: %require_complete.a35: <witness> = require_complete_type %C.13320f.2 [symbolic]
// CHECK:STDOUT: %C.as.I.impl.F.specific_fn: <specific function> = specific_function %C.as.I.impl.F.e1c928.1, @C.as.I.impl.F.loc8_17.1(%Y) [symbolic]
// CHECK:STDOUT: %C.val: %C.13320f.2 = struct_value () [symbolic]
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT: %Destroy.assoc_type: type = assoc_entity_type @Destroy [concrete]
// CHECK:STDOUT: %assoc0: %Destroy.assoc_type = assoc_entity element0, imports.%Core.import_ref.725 [concrete]
// CHECK:STDOUT: %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
// CHECK:STDOUT: %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
// CHECK:STDOUT: %type_where: type = facet_type <type where .Self impls <CanDestroy>> [concrete]
// CHECK:STDOUT: %DestroyT: %type_where = bind_symbolic_name DestroyT, 0 [symbolic]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.b5d: type = fn_type @DestroyT.binding.as_type.as.Destroy.impl.Op, @DestroyT.binding.as_type.as.Destroy.impl(%DestroyT) [symbolic]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.544: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.b5d = struct_value () [symbolic]
// CHECK:STDOUT: %facet_value: %type_where = facet_value %C.13320f.2, () [symbolic]
// CHECK:STDOUT: %Destroy.impl_witness.775: <witness> = impl_witness imports.%Destroy.impl_witness_table, @DestroyT.binding.as_type.as.Destroy.impl(%facet_value) [symbolic]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.7e5: type = fn_type @DestroyT.binding.as_type.as.Destroy.impl.Op, @DestroyT.binding.as_type.as.Destroy.impl(%facet_value) [symbolic]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.070: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.7e5 = struct_value () [symbolic]
// CHECK:STDOUT: %ptr.40d: type = ptr_type %C.13320f.2 [symbolic]
// CHECK:STDOUT: %require_complete.0b0: <witness> = require_complete_type %ptr.40d [symbolic]
// CHECK:STDOUT: %Destroy.facet: %Destroy.type = facet_value %C.13320f.2, (%Destroy.impl_witness.775) [symbolic]
// CHECK:STDOUT: %.109: type = fn_type_with_self_type %Destroy.Op.type, %Destroy.facet [symbolic]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn: <specific function> = specific_function %DestroyT.binding.as_type.as.Destroy.impl.Op.070, @DestroyT.binding.as_type.as.Destroy.impl.Op(%facet_value) [symbolic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.I: type = import_ref Main//a, I, loaded [concrete = constants.%I.type]
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Destroy = %Core.Destroy
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Main.import_ref.8e7 = import_ref Main//a, inst{{[0-9A-F]+}} [no loc], unloaded
// CHECK:STDOUT: %Main.import_ref.507 = import_ref Main//a, loc5_14, unloaded
// CHECK:STDOUT: %Main.F: %I.F.type = import_ref Main//a, F, loaded [concrete = constants.%I.F]
// CHECK:STDOUT: %Main.import_ref.de2: %I.type = import_ref Main//a, inst{{[0-9A-F]+}} [no loc], loaded [symbolic = constants.%Self.7ee]
// CHECK:STDOUT: %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
// CHECK:STDOUT: %Core.import_ref.f99: %Destroy.assoc_type = import_ref Core//prelude/parts/destroy, loc{{\d+_\d+}}, loaded [concrete = constants.%assoc0]
// CHECK:STDOUT: %Core.import_ref.725: %Destroy.Op.type = import_ref Core//prelude/parts/destroy, loc{{\d+_\d+}}, loaded [concrete = constants.%Destroy.Op]
// CHECK:STDOUT: %Core.import_ref.950: @DestroyT.binding.as_type.as.Destroy.impl.%DestroyT.binding.as_type.as.Destroy.impl.Op.type (%DestroyT.binding.as_type.as.Destroy.impl.Op.type.b5d) = import_ref Core//prelude/parts/destroy, loc{{\d+_\d+}}, loaded [symbolic = @DestroyT.binding.as_type.as.Destroy.impl.%DestroyT.binding.as_type.as.Destroy.impl.Op (constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.544)]
// CHECK:STDOUT: %Destroy.impl_witness_table = impl_witness_table (%Core.import_ref.950), @DestroyT.binding.as_type.as.Destroy.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .I = imports.%Main.I
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .C = %C.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: %C.decl: %C.type = class_decl @C [concrete = constants.%C.generic] {
// CHECK:STDOUT: %X.patt: %pattern_type.cb1 = symbolic_binding_pattern X, 0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc5_14.1: type = splice_block %.loc5_14.3 [concrete = constants.%empty_tuple.type] {
// CHECK:STDOUT: %.Self: %type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT: %.loc5_14.2: %empty_tuple.type = tuple_literal ()
// CHECK:STDOUT: %.loc5_14.3: type = converted %.loc5_14.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %X.loc5_9.2: %empty_tuple.type = bind_symbolic_name X, 0 [symbolic = %X.loc5_9.1 (constants.%X)]
// CHECK:STDOUT: }
// CHECK:STDOUT: impl_decl @C.as.I.impl [concrete] {
// CHECK:STDOUT: %Y.patt: %pattern_type.cb1 = symbolic_binding_pattern Y, 0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %C.ref: %C.type = name_ref C, file.%C.decl [concrete = constants.%C.generic]
// CHECK:STDOUT: %Y.ref: %empty_tuple.type = name_ref Y, %Y.loc7_14.2 [symbolic = %Y.loc7_14.1 (constants.%Y)]
// CHECK:STDOUT: %C.loc7_25.2: type = class_type @C, @C(constants.%Y) [symbolic = %C.loc7_25.1 (constants.%C.13320f.2)]
// CHECK:STDOUT: %I.ref: type = name_ref I, imports.%Main.I [concrete = constants.%I.type]
// CHECK:STDOUT: %.loc7_19.1: type = splice_block %.loc7_19.3 [concrete = constants.%empty_tuple.type] {
// CHECK:STDOUT: %.Self: %type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT: %.loc7_19.2: %empty_tuple.type = tuple_literal ()
// CHECK:STDOUT: %.loc7_19.3: type = converted %.loc7_19.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %Y.loc7_14.2: %empty_tuple.type = bind_symbolic_name Y, 0 [symbolic = %Y.loc7_14.1 (constants.%Y)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %I.impl_witness_table = impl_witness_table (@C.as.I.impl.%C.as.I.impl.F.decl.loc8_17.2), @C.as.I.impl [concrete]
// CHECK:STDOUT: %I.impl_witness: <witness> = impl_witness %I.impl_witness_table, @C.as.I.impl(constants.%Y) [symbolic = @C.as.I.impl.%I.impl_witness (constants.%I.impl_witness)]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @I [from "a.carbon"] {
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = imports.%Main.import_ref.8e7
// CHECK:STDOUT: .F = imports.%Main.import_ref.507
// CHECK:STDOUT: witness = (imports.%Main.F)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic impl @C.as.I.impl(%Y.loc7_14.2: %empty_tuple.type) {
// CHECK:STDOUT: %Y.loc7_14.1: %empty_tuple.type = bind_symbolic_name Y, 0 [symbolic = %Y.loc7_14.1 (constants.%Y)]
// CHECK:STDOUT: %C.loc7_25.1: type = class_type @C, @C(%Y.loc7_14.1) [symbolic = %C.loc7_25.1 (constants.%C.13320f.2)]
// CHECK:STDOUT: %I.impl_witness: <witness> = impl_witness file.%I.impl_witness_table, @C.as.I.impl(%Y.loc7_14.1) [symbolic = %I.impl_witness (constants.%I.impl_witness)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %C.as.I.impl.F.type.loc8_17.1: type = fn_type @C.as.I.impl.F.loc8_17.1, @C.as.I.impl(%Y.loc7_14.1) [symbolic = %C.as.I.impl.F.type.loc8_17.1 (constants.%C.as.I.impl.F.type.a1f290.1)]
// CHECK:STDOUT: %C.as.I.impl.F.loc8_17.1: @C.as.I.impl.%C.as.I.impl.F.type.loc8_17.1 (%C.as.I.impl.F.type.a1f290.1) = struct_value () [symbolic = %C.as.I.impl.F.loc8_17.1 (constants.%C.as.I.impl.F.e1c928.1)]
// CHECK:STDOUT: %C.as.I.impl.F.type.loc8_17.2: type = fn_type @C.as.I.impl.F.loc8_17.2, @C.as.I.impl(%Y.loc7_14.1) [symbolic = %C.as.I.impl.F.type.loc8_17.2 (constants.%C.as.I.impl.F.type.a1f290.2)]
// CHECK:STDOUT: %C.as.I.impl.F.loc8_17.2: @C.as.I.impl.%C.as.I.impl.F.type.loc8_17.2 (%C.as.I.impl.F.type.a1f290.2) = struct_value () [symbolic = %C.as.I.impl.F.loc8_17.2 (constants.%C.as.I.impl.F.e1c928.2)]
// CHECK:STDOUT:
// CHECK:STDOUT: impl: %C.loc7_25.2 as %I.ref {
// CHECK:STDOUT: %C.as.I.impl.F.decl.loc8_17.1: @C.as.I.impl.%C.as.I.impl.F.type.loc8_17.1 (%C.as.I.impl.F.type.a1f290.1) = fn_decl @C.as.I.impl.F.loc8_17.1 [symbolic = @C.as.I.impl.%C.as.I.impl.F.loc8_17.1 (constants.%C.as.I.impl.F.e1c928.1)] {
// CHECK:STDOUT: %x.patt: @C.as.I.impl.F.loc8_17.1.%pattern_type (%pattern_type.ccc) = binding_pattern x [concrete]
// CHECK:STDOUT: %x.param_patt: @C.as.I.impl.F.loc8_17.1.%pattern_type (%pattern_type.ccc) = value_param_pattern %x.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %x.param: @C.as.I.impl.F.loc8_17.1.%C.loc8_14.1 (%C.13320f.2) = value_param call_param0
// CHECK:STDOUT: %.loc8: type = splice_block %C.loc8_14.2 [symbolic = %C.loc8_14.1 (constants.%C.13320f.2)] {
// CHECK:STDOUT: %C.ref: %C.type = name_ref C, file.%C.decl [concrete = constants.%C.generic]
// CHECK:STDOUT: %Y.ref: %empty_tuple.type = name_ref Y, @C.as.I.impl.%Y.loc7_14.2 [symbolic = %Y (constants.%Y)]
// CHECK:STDOUT: %C.loc8_14.2: type = class_type @C, @C(constants.%Y) [symbolic = %C.loc8_14.1 (constants.%C.13320f.2)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %x: @C.as.I.impl.F.loc8_17.1.%C.loc8_14.1 (%C.13320f.2) = bind_name x, %x.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %C.as.I.impl.F.decl.loc8_17.2: @C.as.I.impl.%C.as.I.impl.F.type.loc8_17.2 (%C.as.I.impl.F.type.a1f290.2) = fn_decl @C.as.I.impl.F.loc8_17.2 [symbolic = @C.as.I.impl.%C.as.I.impl.F.loc8_17.2 (constants.%C.as.I.impl.F.e1c928.2)] {
// CHECK:STDOUT: %x.patt: %pattern_type.a96 = binding_pattern x [concrete]
// CHECK:STDOUT: %x.param_patt: %pattern_type.a96 = value_param_pattern %x.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %x.param: %empty_struct_type = value_param call_param0
// CHECK:STDOUT: %x: %empty_struct_type = bind_name x, %x.param
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .C = <poisoned>
// CHECK:STDOUT: .Y = <poisoned>
// CHECK:STDOUT: .F = %C.as.I.impl.F.decl.loc8_17.1
// CHECK:STDOUT: witness = file.%I.impl_witness
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic class @C(%X.loc5_9.2: %empty_tuple.type) {
// CHECK:STDOUT: %X.loc5_9.1: %empty_tuple.type = bind_symbolic_name X, 0 [symbolic = %X.loc5_9.1 (constants.%X)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:
// CHECK:STDOUT: class {
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%C.13320f.1
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @I.F(imports.%Main.import_ref.de2: %I.type) [from "a.carbon"] {
// CHECK:STDOUT: fn;
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @C.as.I.impl.F.loc8_17.1(@C.as.I.impl.%Y.loc7_14.2: %empty_tuple.type) {
// CHECK:STDOUT: %Y: %empty_tuple.type = bind_symbolic_name Y, 0 [symbolic = %Y (constants.%Y)]
// CHECK:STDOUT: %C.loc8_14.1: type = class_type @C, @C(%Y) [symbolic = %C.loc8_14.1 (constants.%C.13320f.2)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %C.loc8_14.1 [symbolic = %pattern_type (constants.%pattern_type.ccc)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %C.loc8_14.1 [symbolic = %require_complete (constants.%require_complete.a35)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%x.param: @C.as.I.impl.F.loc8_17.1.%C.loc8_14.1 (%C.13320f.2)) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @C.as.I.impl.F.loc8_17.2(@C.as.I.impl.%Y.loc7_14.2: %empty_tuple.type) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Y: %empty_tuple.type = bind_symbolic_name Y, 0 [symbolic = %Y (constants.%Y)]
// CHECK:STDOUT: %C.as.I.impl.F.type: type = fn_type @C.as.I.impl.F.loc8_17.1, @C.as.I.impl(%Y) [symbolic = %C.as.I.impl.F.type (constants.%C.as.I.impl.F.type.a1f290.1)]
// CHECK:STDOUT: %C.as.I.impl.F: @C.as.I.impl.F.loc8_17.2.%C.as.I.impl.F.type (%C.as.I.impl.F.type.a1f290.1) = struct_value () [symbolic = %C.as.I.impl.F (constants.%C.as.I.impl.F.e1c928.1)]
// CHECK:STDOUT: %C.as.I.impl.F.specific_fn.loc8_17.2: <specific function> = specific_function %C.as.I.impl.F, @C.as.I.impl.F.loc8_17.1(%Y) [symbolic = %C.as.I.impl.F.specific_fn.loc8_17.2 (constants.%C.as.I.impl.F.specific_fn)]
// CHECK:STDOUT: %C: type = class_type @C, @C(%Y) [symbolic = %C (constants.%C.13320f.2)]
// CHECK:STDOUT: %require_complete.1: <witness> = require_complete_type %C [symbolic = %require_complete.1 (constants.%require_complete.a35)]
// CHECK:STDOUT: %C.val: @C.as.I.impl.F.loc8_17.2.%C (%C.13320f.2) = struct_value () [symbolic = %C.val (constants.%C.val)]
// CHECK:STDOUT: %facet_value: %type_where = facet_value %C, () [symbolic = %facet_value (constants.%facet_value)]
// CHECK:STDOUT: %Destroy.impl_witness: <witness> = impl_witness imports.%Destroy.impl_witness_table, @DestroyT.binding.as_type.as.Destroy.impl(%facet_value) [symbolic = %Destroy.impl_witness (constants.%Destroy.impl_witness.775)]
// CHECK:STDOUT: %Destroy.facet: %Destroy.type = facet_value %C, (%Destroy.impl_witness) [symbolic = %Destroy.facet (constants.%Destroy.facet)]
// CHECK:STDOUT: %.6: type = fn_type_with_self_type constants.%Destroy.Op.type, %Destroy.facet [symbolic = %.6 (constants.%.109)]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.type: type = fn_type @DestroyT.binding.as_type.as.Destroy.impl.Op, @DestroyT.binding.as_type.as.Destroy.impl(%facet_value) [symbolic = %DestroyT.binding.as_type.as.Destroy.impl.Op.type (constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.type.7e5)]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op: @C.as.I.impl.F.loc8_17.2.%DestroyT.binding.as_type.as.Destroy.impl.Op.type (%DestroyT.binding.as_type.as.Destroy.impl.Op.type.7e5) = struct_value () [symbolic = %DestroyT.binding.as_type.as.Destroy.impl.Op (constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.070)]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn: <specific function> = specific_function %DestroyT.binding.as_type.as.Destroy.impl.Op, @DestroyT.binding.as_type.as.Destroy.impl.Op(%facet_value) [symbolic = %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn (constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn)]
// CHECK:STDOUT: %ptr: type = ptr_type %C [symbolic = %ptr (constants.%ptr.40d)]
// CHECK:STDOUT: %require_complete.2: <witness> = require_complete_type %ptr [symbolic = %require_complete.2 (constants.%require_complete.0b0)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%x.param: %empty_struct_type) [thunk @C.as.I.impl.%C.as.I.impl.F.decl.loc8_17.1] {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc8: @C.as.I.impl.F.loc8_17.2.%C.as.I.impl.F.type (%C.as.I.impl.F.type.a1f290.1) = specific_constant @C.as.I.impl.%C.as.I.impl.F.decl.loc8_17.1, @C.as.I.impl(constants.%Y) [symbolic = %C.as.I.impl.F (constants.%C.as.I.impl.F.e1c928.1)]
// CHECK:STDOUT: %F.ref: @C.as.I.impl.F.loc8_17.2.%C.as.I.impl.F.type (%C.as.I.impl.F.type.a1f290.1) = name_ref F, %.loc8 [symbolic = %C.as.I.impl.F (constants.%C.as.I.impl.F.e1c928.1)]
// CHECK:STDOUT: %x.ref: %empty_struct_type = name_ref x, %x.param
// CHECK:STDOUT: %C.as.I.impl.F.specific_fn.loc8_17.1: <specific function> = specific_function %F.ref, @C.as.I.impl.F.loc8_17.1(constants.%Y) [symbolic = %C.as.I.impl.F.specific_fn.loc8_17.2 (constants.%C.as.I.impl.F.specific_fn)]
// CHECK:STDOUT: %.1: ref @C.as.I.impl.F.loc8_17.2.%C (%C.13320f.2) = temporary_storage
// CHECK:STDOUT: %.2: init @C.as.I.impl.F.loc8_17.2.%C (%C.13320f.2) = class_init (), %.1 [symbolic = %C.val (constants.%C.val)]
// CHECK:STDOUT: %.3: ref @C.as.I.impl.F.loc8_17.2.%C (%C.13320f.2) = temporary %.1, %.2
// CHECK:STDOUT: %.4: ref @C.as.I.impl.F.loc8_17.2.%C (%C.13320f.2) = converted %x.ref, %.3
// CHECK:STDOUT: %.5: @C.as.I.impl.F.loc8_17.2.%C (%C.13320f.2) = bind_value %.4
// CHECK:STDOUT: %C.as.I.impl.F.call: init %empty_tuple.type = call %C.as.I.impl.F.specific_fn.loc8_17.1(%.5)
// CHECK:STDOUT: %Op.ref: %Destroy.assoc_type = name_ref Op, imports.%Core.import_ref.f99 [concrete = constants.%assoc0]
// CHECK:STDOUT: %impl.elem0: @C.as.I.impl.F.loc8_17.2.%.6 (%.109) = impl_witness_access constants.%Destroy.impl_witness.775, element0 [symbolic = %DestroyT.binding.as_type.as.Destroy.impl.Op (constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.070)]
// CHECK:STDOUT: %bound_method.1: <bound method> = bound_method %.3, %impl.elem0
// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @DestroyT.binding.as_type.as.Destroy.impl.Op(constants.%facet_value) [symbolic = %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn (constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn)]
// CHECK:STDOUT: %bound_method.2: <bound method> = bound_method %.3, %specific_fn
// CHECK:STDOUT: %addr: @C.as.I.impl.F.loc8_17.2.%ptr (%ptr.40d) = addr_of %.3
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.call: init %empty_tuple.type = call %bound_method.2(%addr)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C(constants.%X) {
// CHECK:STDOUT: %X.loc5_9.1 => constants.%X
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C(constants.%Y) {
// CHECK:STDOUT: %X.loc5_9.1 => constants.%Y
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C.as.I.impl(constants.%Y) {
// CHECK:STDOUT: %Y.loc7_14.1 => constants.%Y
// CHECK:STDOUT: %C.loc7_25.1 => constants.%C.13320f.2
// CHECK:STDOUT: %I.impl_witness => constants.%I.impl_witness
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %C.as.I.impl.F.type.loc8_17.1 => constants.%C.as.I.impl.F.type.a1f290.1
// CHECK:STDOUT: %C.as.I.impl.F.loc8_17.1 => constants.%C.as.I.impl.F.e1c928.1
// CHECK:STDOUT: %C.as.I.impl.F.type.loc8_17.2 => constants.%C.as.I.impl.F.type.a1f290.2
// CHECK:STDOUT: %C.as.I.impl.F.loc8_17.2 => constants.%C.as.I.impl.F.e1c928.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.F(constants.%Self.7ee) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C.as.I.impl.F.loc8_17.1(constants.%Y) {
// CHECK:STDOUT: %Y => constants.%Y
// CHECK:STDOUT: %C.loc8_14.1 => constants.%C.13320f.2
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.ccc
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete => constants.%require_complete.a35
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.F(constants.%I.facet) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C.as.I.impl.F.loc8_17.2(constants.%Y) {}
// CHECK:STDOUT:
// CHECK:STDOUT: --- c.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT: %C.type: type = generic_class_type @C [concrete]
// CHECK:STDOUT: %C.generic: %C.type = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type.357: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %X: %empty_tuple.type = bind_symbolic_name X, 0 [symbolic]
// CHECK:STDOUT: %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
// CHECK:STDOUT: %C.607: type = class_type @C, @C(%empty_tuple) [concrete]
// CHECK:STDOUT: %I.type: type = facet_type <@I> [concrete]
// CHECK:STDOUT: %Self.7ee: %I.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: %I.assoc_type: type = assoc_entity_type @I [concrete]
// CHECK:STDOUT: %assoc0.3f3: %I.assoc_type = assoc_entity element0, imports.%Main.import_ref.e03 [concrete]
// CHECK:STDOUT: %I.F.type: type = fn_type @I.F [concrete]
// CHECK:STDOUT: %I.F: %I.F.type = struct_value () [concrete]
// CHECK:STDOUT: %Y: %empty_tuple.type = bind_symbolic_name Y, 0 [symbolic]
// CHECK:STDOUT: %C.13320f.2: type = class_type @C, @C(%Y) [symbolic]
// CHECK:STDOUT: %I.impl_witness.3ec: <witness> = impl_witness imports.%I.impl_witness_table, @C.as.I.impl(%Y) [symbolic]
// CHECK:STDOUT: %C.as.I.impl.F.type.a1f290.1: type = fn_type @C.as.I.impl.F.1, @C.as.I.impl(%Y) [symbolic]
// CHECK:STDOUT: %C.as.I.impl.F.e1c928.1: %C.as.I.impl.F.type.a1f290.1 = struct_value () [symbolic]
// CHECK:STDOUT: %pattern_type.ccc: type = pattern_type %C.13320f.2 [symbolic]
// CHECK:STDOUT: %C.as.I.impl.F.type.a1f290.2: type = fn_type @C.as.I.impl.F.2, @C.as.I.impl(%Y) [symbolic]
// CHECK:STDOUT: %C.as.I.impl.F.e1c928.2: %C.as.I.impl.F.type.a1f290.2 = struct_value () [symbolic]
// CHECK:STDOUT: %require_complete.a35: <witness> = require_complete_type %C.13320f.2 [symbolic]
// CHECK:STDOUT: %C.as.I.impl.F.specific_fn.091: <specific function> = specific_function %C.as.I.impl.F.e1c928.1, @C.as.I.impl.F.1(%Y) [symbolic]
// CHECK:STDOUT: %C.val.56a: %C.13320f.2 = struct_value () [symbolic]
// CHECK:STDOUT: %type_where: type = facet_type <type where .Self impls <CanDestroy>> [concrete]
// CHECK:STDOUT: %facet_value.2c0: %type_where = facet_value %C.13320f.2, () [symbolic]
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT: %DestroyT: %type_where = bind_symbolic_name DestroyT, 0 [symbolic]
// CHECK:STDOUT: %Destroy.impl_witness.0e5: <witness> = impl_witness imports.%Destroy.impl_witness_table, @DestroyT.binding.as_type.as.Destroy.impl(%facet_value.2c0) [symbolic]
// CHECK:STDOUT: %Destroy.facet.53f: %Destroy.type = facet_value %C.13320f.2, (%Destroy.impl_witness.0e5) [symbolic]
// CHECK:STDOUT: %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
// CHECK:STDOUT: %.83f: type = fn_type_with_self_type %Destroy.Op.type, %Destroy.facet.53f [symbolic]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.47d: type = fn_type @DestroyT.binding.as_type.as.Destroy.impl.Op, @DestroyT.binding.as_type.as.Destroy.impl(%DestroyT) [symbolic]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.10b: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.47d = struct_value () [symbolic]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.69e: type = fn_type @DestroyT.binding.as_type.as.Destroy.impl.Op, @DestroyT.binding.as_type.as.Destroy.impl(%facet_value.2c0) [symbolic]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.96f: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.69e = struct_value () [symbolic]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn.94e: <specific function> = specific_function %DestroyT.binding.as_type.as.Destroy.impl.Op.96f, @DestroyT.binding.as_type.as.Destroy.impl.Op(%facet_value.2c0) [symbolic]
// CHECK:STDOUT: %ptr.40d: type = ptr_type %C.13320f.2 [symbolic]
// CHECK:STDOUT: %require_complete.0b0: <witness> = require_complete_type %ptr.40d [symbolic]
// CHECK:STDOUT: %I.impl_witness.a00: <witness> = impl_witness imports.%I.impl_witness_table, @C.as.I.impl(%empty_tuple) [concrete]
// CHECK:STDOUT: %C.as.I.impl.F.type.3d38e7.1: type = fn_type @C.as.I.impl.F.1, @C.as.I.impl(%empty_tuple) [concrete]
// CHECK:STDOUT: %C.as.I.impl.F.1dded6.1: %C.as.I.impl.F.type.3d38e7.1 = struct_value () [concrete]
// CHECK:STDOUT: %C.as.I.impl.F.type.3d38e7.2: type = fn_type @C.as.I.impl.F.2, @C.as.I.impl(%empty_tuple) [concrete]
// CHECK:STDOUT: %C.as.I.impl.F.1dded6.2: %C.as.I.impl.F.type.3d38e7.2 = struct_value () [concrete]
// CHECK:STDOUT: %I.facet: %I.type = facet_value %C.607, (%I.impl_witness.a00) [concrete]
// CHECK:STDOUT: %.2ed: type = fn_type_with_self_type %I.F.type, %I.facet [concrete]
// CHECK:STDOUT: %empty_struct: %empty_struct_type = struct_value () [concrete]
// CHECK:STDOUT: %C.as.I.impl.F.specific_fn.9d8118.1: <specific function> = specific_function %C.as.I.impl.F.1dded6.2, @C.as.I.impl.F.2(%empty_tuple) [concrete]
// CHECK:STDOUT: %pattern_type.186: type = pattern_type %C.607 [concrete]
// CHECK:STDOUT: %C.as.I.impl.F.specific_fn.9d8118.2: <specific function> = specific_function %C.as.I.impl.F.1dded6.1, @C.as.I.impl.F.1(%empty_tuple) [concrete]
// CHECK:STDOUT: %C.val.12f: %C.607 = struct_value () [concrete]
// CHECK:STDOUT: %facet_value.637: %type_where = facet_value %C.607, () [concrete]
// CHECK:STDOUT: %Destroy.impl_witness.b4c: <witness> = impl_witness imports.%Destroy.impl_witness_table, @DestroyT.binding.as_type.as.Destroy.impl(%facet_value.637) [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.978: type = fn_type @DestroyT.binding.as_type.as.Destroy.impl.Op, @DestroyT.binding.as_type.as.Destroy.impl(%facet_value.637) [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.806: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.978 = struct_value () [concrete]
// CHECK:STDOUT: %ptr.2ce: type = ptr_type %C.607 [concrete]
// CHECK:STDOUT: %complete_type.e2c: <witness> = complete_type_witness %ptr.2ce [concrete]
// CHECK:STDOUT: %Destroy.facet.24b: %Destroy.type = facet_value %C.607, (%Destroy.impl_witness.b4c) [concrete]
// CHECK:STDOUT: %.910: type = fn_type_with_self_type %Destroy.Op.type, %Destroy.facet.24b [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn.440: <specific function> = specific_function %DestroyT.binding.as_type.as.Destroy.impl.Op.806, @DestroyT.binding.as_type.as.Destroy.impl.Op(%facet_value.637) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.I: type = import_ref Main//a, I, loaded [concrete = constants.%I.type]
// CHECK:STDOUT: %Main.C: %C.type = import_ref Main//b, C, loaded [concrete = constants.%C.generic]
// CHECK:STDOUT: %Core.ece: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Destroy = %Core.Destroy
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Main.import_ref.eb1c17.1: %empty_tuple.type = import_ref Main//b, loc5_9, loaded [symbolic = @C.%X (constants.%X)]
// CHECK:STDOUT: %Main.import_ref.8f2: <witness> = import_ref Main//b, loc5_18, loaded [concrete = constants.%complete_type.357]
// CHECK:STDOUT: %Main.import_ref.572 = import_ref Main//b, inst{{[0-9A-F]+}} [no loc], unloaded
// CHECK:STDOUT: %Main.import_ref.8e7 = import_ref Main//a, inst{{[0-9A-F]+}} [no loc], unloaded
// CHECK:STDOUT: %Main.import_ref.c44: %I.assoc_type = import_ref Main//a, loc5_14, loaded [concrete = constants.%assoc0.3f3]
// CHECK:STDOUT: %Main.F.8b9 = import_ref Main//a, F, unloaded
// CHECK:STDOUT: %Main.import_ref.e03: %I.F.type = import_ref Main//a, loc5_14, loaded [concrete = constants.%I.F]
// CHECK:STDOUT: %Main.import_ref.de2: %I.type = import_ref Main//a, inst{{[0-9A-F]+}} [no loc], loaded [symbolic = constants.%Self.7ee]
// CHECK:STDOUT: %Main.import_ref.8e1: <witness> = import_ref Main//b, loc7_32, loaded [symbolic = @C.as.I.impl.%I.impl_witness (constants.%I.impl_witness.3ec)]
// CHECK:STDOUT: %Main.import_ref.eb1c17.2: %empty_tuple.type = import_ref Main//b, loc7_14, loaded [symbolic = @C.as.I.impl.%Y (constants.%Y)]
// CHECK:STDOUT: %Main.import_ref.dbf: type = import_ref Main//b, loc7_25, loaded [symbolic = @C.as.I.impl.%C (constants.%C.13320f.2)]
// CHECK:STDOUT: %Main.import_ref.f50: type = import_ref Main//b, loc7_30, loaded [concrete = constants.%I.type]
// CHECK:STDOUT: %Main.import_ref.e8f: @C.as.I.impl.%C.as.I.impl.F.type.2 (%C.as.I.impl.F.type.a1f290.2) = import_ref Main//b, loc8_17, loaded [symbolic = @C.as.I.impl.%C.as.I.impl.F.2 (constants.%C.as.I.impl.F.e1c928.2)]
// CHECK:STDOUT: %I.impl_witness_table = impl_witness_table (%Main.import_ref.e8f), @C.as.I.impl [concrete]
// CHECK:STDOUT: %Main.import_ref.eb1c17.3: %empty_tuple.type = import_ref Main//b, loc7_14, loaded [symbolic = @C.as.I.impl.%Y (constants.%Y)]
// CHECK:STDOUT: %Main.import_ref.eb1c17.4: %empty_tuple.type = import_ref Main//b, loc7_14, loaded [symbolic = @C.as.I.impl.%Y (constants.%Y)]
// CHECK:STDOUT: %Main.F.162: @C.as.I.impl.%C.as.I.impl.F.type.1 (%C.as.I.impl.F.type.a1f290.1) = import_ref Main//b, F, loaded [symbolic = @C.as.I.impl.%C.as.I.impl.F.1 (constants.%C.as.I.impl.F.e1c928.1)]
// CHECK:STDOUT: %Main.import_ref.a3f: @DestroyT.binding.as_type.as.Destroy.impl.%DestroyT.binding.as_type.as.Destroy.impl.Op.type (%DestroyT.binding.as_type.as.Destroy.impl.Op.type.47d) = import_ref Main//b, inst{{[0-9A-F]+}} [indirect], loaded [symbolic = @DestroyT.binding.as_type.as.Destroy.impl.%DestroyT.binding.as_type.as.Destroy.impl.Op (constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.10b)]
// CHECK:STDOUT: %Destroy.impl_witness_table = impl_witness_table (%Main.import_ref.a3f), @DestroyT.binding.as_type.as.Destroy.impl [concrete]
// CHECK:STDOUT: %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .I = imports.%Main.I
// CHECK:STDOUT: .C = imports.%Main.C
// CHECK:STDOUT: .Core = imports.%Core.ece
// CHECK:STDOUT: .G = %G.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @I [from "a.carbon"] {
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = imports.%Main.import_ref.8e7
// CHECK:STDOUT: .F = imports.%Main.import_ref.c44
// CHECK:STDOUT: witness = (imports.%Main.F.8b9)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic impl @C.as.I.impl(imports.%Main.import_ref.eb1c17.2: %empty_tuple.type) [from "b.carbon"] {
// CHECK:STDOUT: %Y: %empty_tuple.type = bind_symbolic_name Y, 0 [symbolic = %Y (constants.%Y)]
// CHECK:STDOUT: %C: type = class_type @C, @C(%Y) [symbolic = %C (constants.%C.13320f.2)]
// CHECK:STDOUT: %I.impl_witness: <witness> = impl_witness imports.%I.impl_witness_table, @C.as.I.impl(%Y) [symbolic = %I.impl_witness (constants.%I.impl_witness.3ec)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %C.as.I.impl.F.type.1: type = fn_type @C.as.I.impl.F.1, @C.as.I.impl(%Y) [symbolic = %C.as.I.impl.F.type.1 (constants.%C.as.I.impl.F.type.a1f290.1)]
// CHECK:STDOUT: %C.as.I.impl.F.1: @C.as.I.impl.%C.as.I.impl.F.type.1 (%C.as.I.impl.F.type.a1f290.1) = struct_value () [symbolic = %C.as.I.impl.F.1 (constants.%C.as.I.impl.F.e1c928.1)]
// CHECK:STDOUT: %C.as.I.impl.F.type.2: type = fn_type @C.as.I.impl.F.2, @C.as.I.impl(%Y) [symbolic = %C.as.I.impl.F.type.2 (constants.%C.as.I.impl.F.type.a1f290.2)]
// CHECK:STDOUT: %C.as.I.impl.F.2: @C.as.I.impl.%C.as.I.impl.F.type.2 (%C.as.I.impl.F.type.a1f290.2) = struct_value () [symbolic = %C.as.I.impl.F.2 (constants.%C.as.I.impl.F.e1c928.2)]
// CHECK:STDOUT:
// CHECK:STDOUT: impl: imports.%Main.import_ref.dbf as imports.%Main.import_ref.f50 {
// CHECK:STDOUT: !members:
// CHECK:STDOUT: witness = imports.%Main.import_ref.8e1
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic class @C(imports.%Main.import_ref.eb1c17.1: %empty_tuple.type) [from "b.carbon"] {
// CHECK:STDOUT: %X: %empty_tuple.type = bind_symbolic_name X, 0 [symbolic = %X (constants.%X)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:
// CHECK:STDOUT: class {
// CHECK:STDOUT: complete_type_witness = imports.%Main.import_ref.8f2
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = imports.%Main.import_ref.572
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %C.ref: %C.type = name_ref C, imports.%Main.C [concrete = constants.%C.generic]
// CHECK:STDOUT: %.loc7_6: %empty_tuple.type = tuple_literal ()
// CHECK:STDOUT: %empty_tuple: %empty_tuple.type = tuple_value () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc7_7: %empty_tuple.type = converted %.loc7_6, %empty_tuple [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %C: type = class_type @C, @C(constants.%empty_tuple) [concrete = constants.%C.607]
// CHECK:STDOUT: %I.ref: type = name_ref I, imports.%Main.I [concrete = constants.%I.type]
// CHECK:STDOUT: %F.ref.loc7_11: %I.assoc_type = name_ref F, imports.%Main.import_ref.c44 [concrete = constants.%assoc0.3f3]
// CHECK:STDOUT: %I.facet: %I.type = facet_value %C, (constants.%I.impl_witness.a00) [concrete = constants.%I.facet]
// CHECK:STDOUT: %.loc7_8: %I.type = converted %C, %I.facet [concrete = constants.%I.facet]
// CHECK:STDOUT: %impl.elem0: %.2ed = impl_witness_access constants.%I.impl_witness.a00, element0 [concrete = constants.%C.as.I.impl.F.1dded6.2]
// CHECK:STDOUT: %.loc7_16.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %empty_struct.loc7_16.1: %empty_struct_type = struct_value () [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc7_17.1: %empty_struct_type = converted %.loc7_16.1, %empty_struct.loc7_16.1 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @C.as.I.impl.F.2(constants.%empty_tuple) [concrete = constants.%C.as.I.impl.F.specific_fn.9d8118.1]
// CHECK:STDOUT: %empty_struct.loc7_16.2: %empty_struct_type = struct_value () [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc7_16.2: %empty_struct_type = converted %.loc7_16.1, %empty_struct.loc7_16.2 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc7_17.2: %C.as.I.impl.F.type.3d38e7.1 = specific_constant imports.%Main.F.162, @C.as.I.impl(constants.%empty_tuple) [concrete = constants.%C.as.I.impl.F.1dded6.1]
// CHECK:STDOUT: %F.ref.loc7_17: %C.as.I.impl.F.type.3d38e7.1 = name_ref F, %.loc7_17.2 [concrete = constants.%C.as.I.impl.F.1dded6.1]
// CHECK:STDOUT: %C.as.I.impl.F.specific_fn: <specific function> = specific_function %F.ref.loc7_17, @C.as.I.impl.F.1(constants.%empty_tuple) [concrete = constants.%C.as.I.impl.F.specific_fn.9d8118.2]
// CHECK:STDOUT: %.loc7_16.3: ref %C.607 = temporary_storage
// CHECK:STDOUT: %.loc7_16.4: init %C.607 = class_init (), %.loc7_16.3 [concrete = constants.%C.val.12f]
// CHECK:STDOUT: %.loc7_16.5: ref %C.607 = temporary %.loc7_16.3, %.loc7_16.4
// CHECK:STDOUT: %.loc7_16.6: ref %C.607 = converted %.loc7_16.2, %.loc7_16.5
// CHECK:STDOUT: %.loc7_16.7: %C.607 = bind_value %.loc7_16.6
// CHECK:STDOUT: %C.as.I.impl.F.call: init %empty_tuple.type = call %C.as.I.impl.F.specific_fn(%.loc7_16.7)
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.bound: <bound method> = bound_method %.loc7_16.5, constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.806
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn: <specific function> = specific_function constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.806, @DestroyT.binding.as_type.as.Destroy.impl.Op(constants.%facet_value.637) [concrete = constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn.440]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %.loc7_16.5, %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn
// CHECK:STDOUT: %addr: %ptr.2ce = addr_of %.loc7_16.5
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.call: init %empty_tuple.type = call %bound_method(%addr)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @I.F(imports.%Main.import_ref.de2: %I.type) [from "a.carbon"] {
// CHECK:STDOUT: fn;
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @C.as.I.impl.F.1(imports.%Main.import_ref.eb1c17.3: %empty_tuple.type) [from "b.carbon"] {
// CHECK:STDOUT: %Y: %empty_tuple.type = bind_symbolic_name Y, 0 [symbolic = %Y (constants.%Y)]
// CHECK:STDOUT: %C: type = class_type @C, @C(%Y) [symbolic = %C (constants.%C.13320f.2)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %C [symbolic = %pattern_type (constants.%pattern_type.ccc)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %C [symbolic = %require_complete (constants.%require_complete.a35)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn;
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @C.as.I.impl.F.2(imports.%Main.import_ref.eb1c17.4: %empty_tuple.type) [from "b.carbon"] {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Y: %empty_tuple.type = bind_symbolic_name Y, 0 [symbolic = %Y (constants.%Y)]
// CHECK:STDOUT: %C.as.I.impl.F.type: type = fn_type @C.as.I.impl.F.1, @C.as.I.impl(%Y) [symbolic = %C.as.I.impl.F.type (constants.%C.as.I.impl.F.type.a1f290.1)]
// CHECK:STDOUT: %C.as.I.impl.F: @C.as.I.impl.F.2.%C.as.I.impl.F.type (%C.as.I.impl.F.type.a1f290.1) = struct_value () [symbolic = %C.as.I.impl.F (constants.%C.as.I.impl.F.e1c928.1)]
// CHECK:STDOUT: %C.as.I.impl.F.specific_fn: <specific function> = specific_function %C.as.I.impl.F, @C.as.I.impl.F.1(%Y) [symbolic = %C.as.I.impl.F.specific_fn (constants.%C.as.I.impl.F.specific_fn.091)]
// CHECK:STDOUT: %C: type = class_type @C, @C(%Y) [symbolic = %C (constants.%C.13320f.2)]
// CHECK:STDOUT: %require_complete.1: <witness> = require_complete_type %C [symbolic = %require_complete.1 (constants.%require_complete.a35)]
// CHECK:STDOUT: %C.val: @C.as.I.impl.F.2.%C (%C.13320f.2) = struct_value () [symbolic = %C.val (constants.%C.val.56a)]
// CHECK:STDOUT: %facet_value: %type_where = facet_value %C, () [symbolic = %facet_value (constants.%facet_value.2c0)]
// CHECK:STDOUT: %Destroy.impl_witness: <witness> = impl_witness imports.%Destroy.impl_witness_table, @DestroyT.binding.as_type.as.Destroy.impl(%facet_value) [symbolic = %Destroy.impl_witness (constants.%Destroy.impl_witness.0e5)]
// CHECK:STDOUT: %Destroy.facet: %Destroy.type = facet_value %C, (%Destroy.impl_witness) [symbolic = %Destroy.facet (constants.%Destroy.facet.53f)]
// CHECK:STDOUT: %.1: type = fn_type_with_self_type constants.%Destroy.Op.type, %Destroy.facet [symbolic = %.1 (constants.%.83f)]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.type: type = fn_type @DestroyT.binding.as_type.as.Destroy.impl.Op, @DestroyT.binding.as_type.as.Destroy.impl(%facet_value) [symbolic = %DestroyT.binding.as_type.as.Destroy.impl.Op.type (constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.type.69e)]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op: @C.as.I.impl.F.2.%DestroyT.binding.as_type.as.Destroy.impl.Op.type (%DestroyT.binding.as_type.as.Destroy.impl.Op.type.69e) = struct_value () [symbolic = %DestroyT.binding.as_type.as.Destroy.impl.Op (constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.96f)]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn: <specific function> = specific_function %DestroyT.binding.as_type.as.Destroy.impl.Op, @DestroyT.binding.as_type.as.Destroy.impl.Op(%facet_value) [symbolic = %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn (constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn.94e)]
// CHECK:STDOUT: %ptr: type = ptr_type %C [symbolic = %ptr (constants.%ptr.40d)]
// CHECK:STDOUT: %require_complete.2: <witness> = require_complete_type %ptr [symbolic = %require_complete.2 (constants.%require_complete.0b0)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn [thunk imports.%Main.F.162];
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C(constants.%X) {
// CHECK:STDOUT: %X => constants.%X
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C(constants.%empty_tuple) {
// CHECK:STDOUT: %X => constants.%empty_tuple
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.F(constants.%Self.7ee) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C(constants.%Y) {
// CHECK:STDOUT: %X => constants.%Y
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C.as.I.impl(constants.%Y) {
// CHECK:STDOUT: %Y => constants.%Y
// CHECK:STDOUT: %C => constants.%C.13320f.2
// CHECK:STDOUT: %I.impl_witness => constants.%I.impl_witness.3ec
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %C.as.I.impl.F.type.1 => constants.%C.as.I.impl.F.type.a1f290.1
// CHECK:STDOUT: %C.as.I.impl.F.1 => constants.%C.as.I.impl.F.e1c928.1
// CHECK:STDOUT: %C.as.I.impl.F.type.2 => constants.%C.as.I.impl.F.type.a1f290.2
// CHECK:STDOUT: %C.as.I.impl.F.2 => constants.%C.as.I.impl.F.e1c928.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C.as.I.impl.F.1(constants.%Y) {
// CHECK:STDOUT: %Y => constants.%Y
// CHECK:STDOUT: %C => constants.%C.13320f.2
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.ccc
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete => constants.%require_complete.a35
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C.as.I.impl.F.2(constants.%Y) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C.as.I.impl(constants.%empty_tuple) {
// CHECK:STDOUT: %Y => constants.%empty_tuple
// CHECK:STDOUT: %C => constants.%C.607
// CHECK:STDOUT: %I.impl_witness => constants.%I.impl_witness.a00
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %C.as.I.impl.F.type.1 => constants.%C.as.I.impl.F.type.3d38e7.1
// CHECK:STDOUT: %C.as.I.impl.F.1 => constants.%C.as.I.impl.F.1dded6.1
// CHECK:STDOUT: %C.as.I.impl.F.type.2 => constants.%C.as.I.impl.F.type.3d38e7.2
// CHECK:STDOUT: %C.as.I.impl.F.2 => constants.%C.as.I.impl.F.1dded6.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C.as.I.impl.F.2(constants.%empty_tuple) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Y => constants.%empty_tuple
// CHECK:STDOUT: %C.as.I.impl.F.type => constants.%C.as.I.impl.F.type.3d38e7.1
// CHECK:STDOUT: %C.as.I.impl.F => constants.%C.as.I.impl.F.1dded6.1
// CHECK:STDOUT: %C.as.I.impl.F.specific_fn => constants.%C.as.I.impl.F.specific_fn.9d8118.2
// CHECK:STDOUT: %C => constants.%C.607
// CHECK:STDOUT: %require_complete.1 => constants.%complete_type.357
// CHECK:STDOUT: %C.val => constants.%C.val.12f
// CHECK:STDOUT: %facet_value => constants.%facet_value.637
// CHECK:STDOUT: %Destroy.impl_witness => constants.%Destroy.impl_witness.b4c
// CHECK:STDOUT: %Destroy.facet => constants.%Destroy.facet.24b
// CHECK:STDOUT: %.1 => constants.%.910
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.type => constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.type.978
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op => constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.806
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn => constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn.440
// CHECK:STDOUT: %ptr => constants.%ptr.2ce
// CHECK:STDOUT: %require_complete.2 => constants.%complete_type.e2c
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C.as.I.impl.F.1(constants.%empty_tuple) {
// CHECK:STDOUT: %Y => constants.%empty_tuple
// CHECK:STDOUT: %C => constants.%C.607
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.186
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete => constants.%complete_type.357
// CHECK:STDOUT: }
// CHECK:STDOUT:
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