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4416f3525b9b6abf8cc465bc8b866f1baaa6cd82
carbon-lang/toolchain/check/testdata/impl/lookup/transitive.carbon
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Dana Jansens 4416f3525b Canonicalize generated functions for Core witnesses (#7729) 
Use a single `SemIR::Function` per `Core` interface method, whether it's
generated locally or imported. This prevents generating duplicate
functions, which lead to different types when the witness appears in a
`FacetValue` as part of a specific for a class.

We use a `CanonicalValueStore` of `GeneratedFunction` objects that allow
finding an existing FunctionId for a `Generated` special function before
(re-)generating it. Mangling for `Generated` functions is also moved to
use the values from the `GeneratedFunction`'s canonicalization key, so
that we have a consistent source of truth for the unique ID of a
`Generated` function across all files.

New tests are in
`toolchain/check/testdata/impl/custom_witness/destroy.carbon`.
2026-09-15 16:02:13 +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/convert.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/lookup/transitive.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/impl/lookup/transitive.carbon
// --- i.carbon
library "[[@TEST_NAME]]";
interface I { fn F(self); }
// --- c.carbon
library "[[@TEST_NAME]]";
import library "i";
class C {}
impl C as I { fn F(unused self) {} }
// --- get.carbon
library "[[@TEST_NAME]]";
import library "c";
fn Get() -> C;
// --- call.carbon
library "[[@TEST_NAME]]";
import library "get";
import library "i";
fn Call() {
// We find C in "get", but should look in "c" instead.
Get().(I.F)();
}
// CHECK:STDOUT: --- i.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %I.type: type = facet_type <@I> [concrete]
// CHECK:STDOUT: %Self: %I.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT: %Self.as_type: type = facet_access_type %Self [symbolic]
// CHECK:STDOUT: %pattern_type: type = pattern_type %Self.as_type [symbolic]
// CHECK:STDOUT: %self.param_patt: %pattern_type = value_param_pattern [symbolic]
// CHECK:STDOUT: %self.patt: %pattern_type = wrapper_binding_pattern self, %self.param_patt [symbolic]
// CHECK:STDOUT: %I.WithSelf.F.type: type = fn_type @I.WithSelf.F, @I.WithSelf(%Self) [symbolic]
// CHECK:STDOUT: %I.WithSelf.F: %I.WithSelf.F.type = struct_value () [symbolic]
// CHECK:STDOUT: %I.assoc_type: type = assoc_entity_type @I [concrete]
// CHECK:STDOUT: %assoc0: %I.assoc_type = assoc_entity element0, @I.WithSelf.%I.WithSelf.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 = symbolic_binding Self, 0 [symbolic = constants.%Self]
// CHECK:STDOUT: %I.WithSelf.decl = interface_with_self_decl @I [concrete]
// CHECK:STDOUT:
// CHECK:STDOUT: !with Self:
// CHECK:STDOUT: %I.WithSelf.F.decl: @I.WithSelf.%I.WithSelf.F.type (%I.WithSelf.F.type) = fn_decl @I.WithSelf.F [symbolic = @I.WithSelf.%I.WithSelf.F (constants.%I.WithSelf.F)] {
// CHECK:STDOUT: %self.param_patt.loc4_20.1: @I.WithSelf.F.%pattern_type (%pattern_type) = value_param_pattern [symbolic = %self.param_patt.loc4_20.2 (constants.%self.param_patt)]
// CHECK:STDOUT: %self.patt.loc4_20.1: @I.WithSelf.F.%pattern_type (%pattern_type) = wrapper_binding_pattern self, %self.param_patt.loc4_20.1 [symbolic = %self.patt.loc4_20.2 (constants.%self.patt)]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %self.param: @I.WithSelf.F.%Self.as_type.loc4_20.1 (%Self.as_type) = value_param call_param0
// CHECK:STDOUT: %.loc4_20.1: type = splice_block %.loc4_20.2 [symbolic = %Self.as_type.loc4_20.1 (constants.%Self.as_type)] {
// CHECK:STDOUT: %Self.ref: %I.type = name_ref Self, @I.%Self [symbolic = %Self (constants.%Self)]
// CHECK:STDOUT: %Self.as_type.loc4_20.2: type = facet_access_type %Self.ref [symbolic = %Self.as_type.loc4_20.1 (constants.%Self.as_type)]
// CHECK:STDOUT: %.loc4_20.2: type = converted %Self.ref, %Self.as_type.loc4_20.2 [symbolic = %Self.as_type.loc4_20.1 (constants.%Self.as_type)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %self: @I.WithSelf.F.%Self.as_type.loc4_20.1 (%Self.as_type) = wrapper_binding self, %self.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %assoc0: %I.assoc_type = assoc_entity element0, %I.WithSelf.F.decl [concrete = constants.%assoc0]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: .F = @I.WithSelf.%assoc0
// CHECK:STDOUT: witness = (@I.WithSelf.%I.WithSelf.F.decl)
// CHECK:STDOUT:
// CHECK:STDOUT: !requires:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @I.WithSelf.F(@I.%Self: %I.type) {
// CHECK:STDOUT: %Self: %I.type = symbolic_binding Self, 0 [symbolic = %Self (constants.%Self)]
// CHECK:STDOUT: %Self.as_type.loc4_20.1: type = facet_access_type %Self [symbolic = %Self.as_type.loc4_20.1 (constants.%Self.as_type)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %Self.as_type.loc4_20.1 [symbolic = %pattern_type (constants.%pattern_type)]
// CHECK:STDOUT: %self.param_patt.loc4_20.2: @I.WithSelf.F.%pattern_type (%pattern_type) = value_param_pattern [symbolic = %self.param_patt.loc4_20.2 (constants.%self.param_patt)]
// CHECK:STDOUT: %self.patt.loc4_20.2: @I.WithSelf.F.%pattern_type (%pattern_type) = wrapper_binding_pattern self, %self.param_patt.loc4_20.2 [symbolic = %self.patt.loc4_20.2 (constants.%self.patt)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%self.param: @I.WithSelf.F.%Self.as_type.loc4_20.1 (%Self.as_type));
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.WithSelf(constants.%Self) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.WithSelf.F(constants.%Self) {
// CHECK:STDOUT: %Self => constants.%Self
// CHECK:STDOUT: %Self.as_type.loc4_20.1 => constants.%Self.as_type
// CHECK:STDOUT: %pattern_type => constants.%pattern_type
// CHECK:STDOUT: %self.param_patt.loc4_20.2 => constants.%self.param_patt
// CHECK:STDOUT: %self.patt.loc4_20.2 => constants.%self.patt
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- c.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %I.type: type = facet_type <@I> [concrete]
// CHECK:STDOUT: %Self: %I.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT: %I.WithSelf.F.type.418: type = fn_type @I.WithSelf.F, @I.WithSelf(%Self) [symbolic]
// CHECK:STDOUT: %I.WithSelf.F.ca5: %I.WithSelf.F.type.418 = struct_value () [symbolic]
// CHECK:STDOUT: %Self.as_type: type = facet_access_type %Self [symbolic]
// CHECK:STDOUT: %pattern_type.b3a: type = pattern_type %Self.as_type [symbolic]
// CHECK:STDOUT: %self.param_patt.58e: %pattern_type.b3a = value_param_pattern [symbolic]
// CHECK:STDOUT: %self.patt.b4c: %pattern_type.b3a = wrapper_binding_pattern self, %self.param_patt.58e [symbolic]
// CHECK:STDOUT: %.b7f: <witness> = impl_self_witness %C, @I [concrete]
// CHECK:STDOUT: %I.impl_witness: <witness> = impl_witness @C.as.I.impl.%I.impl_witness_table [concrete]
// CHECK:STDOUT: %pattern_type.98b: type = pattern_type %C [concrete]
// CHECK:STDOUT: %self.param_patt.303: %pattern_type.98b = value_param_pattern [concrete]
// CHECK:STDOUT: %self.patt.36a: %pattern_type.98b = wrapper_binding_pattern self, %self.param_patt.303 [concrete]
// CHECK:STDOUT: %C.as.I.impl.F.type: type = fn_type @C.as.I.impl.F [concrete]
// CHECK:STDOUT: %C.as.I.impl.F: %C.as.I.impl.F.type = struct_value () [concrete]
// CHECK:STDOUT: %I.facet: %I.type = facet_value %C, (%I.impl_witness) [concrete]
// CHECK:STDOUT: %I.WithSelf.F.type.cb9: type = fn_type @I.WithSelf.F, @I.WithSelf(%I.facet) [concrete]
// CHECK:STDOUT: %I.WithSelf.F.a58: %I.WithSelf.F.type.cb9 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.I: type = import_ref Main//i, I, loaded [concrete = constants.%I.type]
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Main.import_ref.046 = import_ref Main//i, loc4_25, unloaded
// CHECK:STDOUT: %Main.F: @I.WithSelf.%I.WithSelf.F.type (%I.WithSelf.F.type.418) = import_ref Main//i, F, loaded [symbolic = @I.WithSelf.%I.WithSelf.F (constants.%I.WithSelf.F.ca5)]
// CHECK:STDOUT: %Main.import_ref.e59c42.2: %I.type = import_ref Main//i, loc4_13, loaded [symbolic = constants.%Self]
// CHECK:STDOUT: %Main.import_ref.223 = import_ref Main//i, loc4_13, unloaded
// 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: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT: impl_decl @C.as.I.impl [concrete] {} {
// CHECK:STDOUT: %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %I.ref: type = name_ref I, imports.%Main.I [concrete = constants.%I.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc7: <witness> = impl_self_witness @C.as.I.impl.%C.ref, @I [concrete = constants.%.b7f]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @I [from "i.carbon"] {
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = imports.%Main.import_ref.223
// CHECK:STDOUT: .F = imports.%Main.import_ref.046
// CHECK:STDOUT: witness = (imports.%Main.F)
// CHECK:STDOUT:
// CHECK:STDOUT: !requires:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @C.as.I.impl: %C.ref as %I.ref {
// CHECK:STDOUT: %C.as.I.impl.F.decl: %C.as.I.impl.F.type = fn_decl @C.as.I.impl.F [concrete = constants.%C.as.I.impl.F] {
// CHECK:STDOUT: %self.param_patt: %pattern_type.98b = value_param_pattern [concrete = constants.%self.param_patt.303]
// CHECK:STDOUT: %self.patt: %pattern_type.98b = wrapper_binding_pattern self, %self.param_patt [concrete = constants.%self.patt.36a]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %self.param: %C = value_param call_param0
// CHECK:STDOUT: %Self.ref: type = name_ref Self, @C.as.I.impl.%C.ref [concrete = constants.%C]
// CHECK:STDOUT: %self: %C = wrapper_binding self, %self.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %I.impl_witness_table = impl_witness_table (%C.as.I.impl.F.decl), @C.as.I.impl [concrete]
// CHECK:STDOUT: %I.impl_witness: <witness> = impl_witness %I.impl_witness_table [concrete = constants.%I.impl_witness]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .F = %C.as.I.impl.F.decl
// CHECK:STDOUT: extend %I.ref
// CHECK:STDOUT: witness = %I.impl_witness
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// 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
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @I.WithSelf.F(imports.%Main.import_ref.e59c42.2: %I.type) [from "i.carbon"] {
// CHECK:STDOUT: %Self: %I.type = symbolic_binding Self, 0 [symbolic = %Self (constants.%Self)]
// CHECK:STDOUT: %Self.as_type: type = facet_access_type %Self [symbolic = %Self.as_type (constants.%Self.as_type)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %Self.as_type [symbolic = %pattern_type (constants.%pattern_type.b3a)]
// CHECK:STDOUT: %self.param_patt: @I.WithSelf.F.%pattern_type (%pattern_type.b3a) = value_param_pattern [symbolic = %self.param_patt (constants.%self.param_patt.58e)]
// CHECK:STDOUT: %self.patt: @I.WithSelf.F.%pattern_type (%pattern_type.b3a) = wrapper_binding_pattern self, %self.param_patt [symbolic = %self.patt (constants.%self.patt.b4c)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn;
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @C.as.I.impl.F(%self.param: %C) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.WithSelf(constants.%Self) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Self => constants.%Self
// CHECK:STDOUT: %I.WithSelf.F.type => constants.%I.WithSelf.F.type.418
// CHECK:STDOUT: %I.WithSelf.F => constants.%I.WithSelf.F.ca5
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.WithSelf.F(constants.%Self) {
// CHECK:STDOUT: %Self => constants.%Self
// CHECK:STDOUT: %Self.as_type => constants.%Self.as_type
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.b3a
// CHECK:STDOUT: %self.param_patt => constants.%self.param_patt.58e
// CHECK:STDOUT: %self.patt => constants.%self.patt.b4c
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.WithSelf(constants.%I.facet) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Self => constants.%I.facet
// CHECK:STDOUT: %I.WithSelf.F.type => constants.%I.WithSelf.F.type.cb9
// CHECK:STDOUT: %I.WithSelf.F => constants.%I.WithSelf.F.a58
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.WithSelf.F(constants.%I.facet) {
// CHECK:STDOUT: %Self => constants.%I.facet
// CHECK:STDOUT: %Self.as_type => constants.%C
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.98b
// CHECK:STDOUT: %self.param_patt => constants.%self.param_patt.303
// CHECK:STDOUT: %self.patt => constants.%self.patt.36a
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- get.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %.a44: Core.Form = init_form %C [concrete]
// CHECK:STDOUT: %pattern_type: type = pattern_type %C [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type = return_slot_pattern %return.param_patt, %C [concrete]
// CHECK:STDOUT: %Get.type: type = fn_type @Get [concrete]
// CHECK:STDOUT: %Get: %Get.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.C: type = import_ref Main//c, C, loaded [concrete = constants.%C]
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Main.import_ref.8f2: <witness> = import_ref Main//c, loc6_10, loaded [concrete = constants.%complete_type]
// CHECK:STDOUT: %Main.import_ref.e47 = import_ref Main//c, inst{{[0-9A-F]+}} [no loc], unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .C = imports.%Main.C
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Get = %Get.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: %Get.decl: %Get.type = fn_decl @Get [concrete = constants.%Get] {
// CHECK:STDOUT: %return.param_patt: %pattern_type = out_param_pattern [concrete = constants.%return.param_patt]
// CHECK:STDOUT: %return.patt: %pattern_type = return_slot_pattern %return.param_patt, %C.ref [concrete = constants.%return.patt]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %C.ref: type = name_ref C, imports.%Main.C [concrete = constants.%C]
// CHECK:STDOUT: %.loc6: Core.Form = init_form %C.ref [concrete = constants.%.a44]
// CHECK:STDOUT: %return.param: ref %C = out_param call_param0
// CHECK:STDOUT: %return: ref %C = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C [from "c.carbon"] {
// CHECK:STDOUT: complete_type_witness = imports.%Main.import_ref.8f2
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = imports.%Main.import_ref.e47
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Get() -> out %return.param: %C;
// CHECK:STDOUT:
// CHECK:STDOUT: --- call.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Call.type: type = fn_type @Call [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %Call: %Call.type = struct_value () [concrete]
// CHECK:STDOUT: %Get.type: type = fn_type @Get [concrete]
// CHECK:STDOUT: %Get: %Get.type = struct_value () [concrete]
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %I.type: type = facet_type <@I> [concrete]
// CHECK:STDOUT: %Self.dda: %I.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT: %I.WithSelf.F.type.418: type = fn_type @I.WithSelf.F, @I.WithSelf(%Self.dda) [symbolic]
// CHECK:STDOUT: %I.WithSelf.F.ca5: %I.WithSelf.F.type.418 = struct_value () [symbolic]
// CHECK:STDOUT: %Self.as_type.b38: type = facet_access_type %Self.dda [symbolic]
// CHECK:STDOUT: %pattern_type.b3a: type = pattern_type %Self.as_type.b38 [symbolic]
// CHECK:STDOUT: %self.param_patt.58e: %pattern_type.b3a = value_param_pattern [symbolic]
// CHECK:STDOUT: %self.patt.b4c: %pattern_type.b3a = wrapper_binding_pattern self, %self.param_patt.58e [symbolic]
// CHECK:STDOUT: %I.assoc_type: type = assoc_entity_type @I [concrete]
// CHECK:STDOUT: %assoc0.232: %I.assoc_type = assoc_entity element0, imports.%Main.import_ref.9f7 [concrete]
// CHECK:STDOUT: %I.impl_witness: <witness> = impl_witness imports.%I.impl_witness_table [concrete]
// CHECK:STDOUT: %I.facet: %I.type = facet_value %C, (%I.impl_witness) [concrete]
// CHECK:STDOUT: %I.WithSelf.F.type.03f: type = fn_type @I.WithSelf.F, @I.WithSelf(%I.facet) [concrete]
// CHECK:STDOUT: %I.WithSelf.F.b7f: %I.WithSelf.F.type.03f = struct_value () [concrete]
// CHECK:STDOUT: %.77f: type = fn_type_with_self_type %I.WithSelf.F.type.03f, %I.facet [concrete]
// CHECK:STDOUT: %C.as.I.impl.F.type: type = fn_type @C.as.I.impl.F [concrete]
// CHECK:STDOUT: %C.as.I.impl.F: %C.as.I.impl.F.type = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.type.ef016f.2: type = fn_type @Destroy.WithSelf.Op.loc9_7.2 [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.403171.2: %Destroy.WithSelf.Op.type.ef016f.2 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.Get: %Get.type = import_ref Main//get, Get, loaded [concrete = constants.%Get]
// CHECK:STDOUT: %Main.I: type = import_ref Main//i, 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.8db: <witness> = import_ref Main//get, inst{{[0-9A-F]+}} [indirect], loaded [concrete = constants.%complete_type]
// CHECK:STDOUT: %Main.import_ref.0a8 = import_ref Main//get, inst{{[0-9A-F]+}} [indirect], unloaded
// CHECK:STDOUT: %Main.import_ref.1b3: %I.assoc_type = import_ref Main//i, loc4_25, loaded [concrete = constants.%assoc0.232]
// CHECK:STDOUT: %Main.F = import_ref Main//i, F, unloaded
// CHECK:STDOUT: %Main.import_ref.e59c42.2: %I.type = import_ref Main//i, loc4_13, loaded [symbolic = constants.%Self.dda]
// CHECK:STDOUT: %Main.import_ref.223 = import_ref Main//i, loc4_13, unloaded
// CHECK:STDOUT: %Main.import_ref.9f7: @I.WithSelf.%I.WithSelf.F.type (%I.WithSelf.F.type.418) = import_ref Main//i, loc4_25, loaded [symbolic = @I.WithSelf.%I.WithSelf.F (constants.%I.WithSelf.F.ca5)]
// CHECK:STDOUT: %Main.import_ref.627: <witness> = import_ref Main//c, loc7_13, loaded [concrete = constants.%I.impl_witness]
// CHECK:STDOUT: %Main.import_ref.335: type = import_ref Main//c, loc7_6, loaded [concrete = constants.%C]
// CHECK:STDOUT: %Main.import_ref.e90: type = import_ref Main//c, loc7_11, loaded [concrete = constants.%I.type]
// CHECK:STDOUT: %Main.import_ref.0d0: %C.as.I.impl.F.type = import_ref Main//c, loc7_33, loaded [concrete = constants.%C.as.I.impl.F]
// CHECK:STDOUT: %I.impl_witness_table = impl_witness_table (%Main.import_ref.0d0), @C.as.I.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: .Get = imports.%Main.Get
// CHECK:STDOUT: .I = imports.%Main.I
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Call = %Call.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: %Call.decl: %Call.type = fn_decl @Call [concrete = constants.%Call] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @I [from "i.carbon"] {
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = imports.%Main.import_ref.223
// CHECK:STDOUT: .F = imports.%Main.import_ref.1b3
// CHECK:STDOUT: witness = (imports.%Main.F)
// CHECK:STDOUT:
// CHECK:STDOUT: !requires:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @C.as.I.impl: imports.%Main.import_ref.335 as imports.%Main.import_ref.e90 [from "c.carbon"] {
// CHECK:STDOUT: !members:
// CHECK:STDOUT: witness = imports.%Main.import_ref.627
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C [from "get.carbon"] {
// CHECK:STDOUT: complete_type_witness = imports.%Main.import_ref.8db
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = imports.%Main.import_ref.0a8
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Call() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Get.ref: %Get.type = name_ref Get, imports.%Main.Get [concrete = constants.%Get]
// CHECK:STDOUT: %.loc9_7.1: ref %C = temporary_storage
// CHECK:STDOUT: %Get.call: init %C to %.loc9_7.1 = call %Get.ref()
// CHECK:STDOUT: %I.ref: type = name_ref I, imports.%Main.I [concrete = constants.%I.type]
// CHECK:STDOUT: %F.ref: %I.assoc_type = name_ref F, imports.%Main.import_ref.1b3 [concrete = constants.%assoc0.232]
// CHECK:STDOUT: %impl.elem0: %.77f = impl_witness_access constants.%I.impl_witness, element0 [concrete = constants.%C.as.I.impl.F]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %Get.call, %impl.elem0
// CHECK:STDOUT: %.loc9_7.2: ref %C = temporary %.loc9_7.1, %Get.call
// CHECK:STDOUT: %.loc9_7.3: %C = acquire_value %.loc9_7.2
// CHECK:STDOUT: %C.as.I.impl.F.call: init %empty_tuple.type = call %bound_method(%.loc9_7.3)
// CHECK:STDOUT: %Destroy.WithSelf.Op.bound: <bound method> = bound_method %.loc9_7.2, constants.%Destroy.WithSelf.Op.403171.2
// CHECK:STDOUT: %Destroy.WithSelf.Op.call: init %empty_tuple.type = call %Destroy.WithSelf.Op.bound(%.loc9_7.2)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Get [from "get.carbon"];
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @I.WithSelf.F(imports.%Main.import_ref.e59c42.2: %I.type) [from "i.carbon"] {
// CHECK:STDOUT: %Self: %I.type = symbolic_binding Self, 0 [symbolic = %Self (constants.%Self.dda)]
// CHECK:STDOUT: %Self.as_type: type = facet_access_type %Self [symbolic = %Self.as_type (constants.%Self.as_type.b38)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %Self.as_type [symbolic = %pattern_type (constants.%pattern_type.b3a)]
// CHECK:STDOUT: %self.param_patt: @I.WithSelf.F.%pattern_type (%pattern_type.b3a) = value_param_pattern [symbolic = %self.param_patt (constants.%self.param_patt.58e)]
// CHECK:STDOUT: %self.patt: @I.WithSelf.F.%pattern_type (%pattern_type.b3a) = wrapper_binding_pattern self, %self.param_patt [symbolic = %self.patt (constants.%self.patt.b4c)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn;
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @C.as.I.impl.F [from "c.carbon"];
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.WithSelf.Op.loc9_7.1(%self.param: ref %empty_struct_type) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.WithSelf.Op.loc9_7.2(%self.param: ref %C) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.WithSelf(constants.%Self.dda) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Self => constants.%Self.dda
// CHECK:STDOUT: %I.WithSelf.F.type => constants.%I.WithSelf.F.type.418
// CHECK:STDOUT: %I.WithSelf.F => constants.%I.WithSelf.F.ca5
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.WithSelf.F(constants.%Self.dda) {
// CHECK:STDOUT: %Self => constants.%Self.dda
// CHECK:STDOUT: %Self.as_type => constants.%Self.as_type.b38
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.b3a
// CHECK:STDOUT: %self.param_patt => constants.%self.param_patt.58e
// CHECK:STDOUT: %self.patt => constants.%self.patt.b4c
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.WithSelf(constants.%I.facet) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Self => constants.%I.facet
// CHECK:STDOUT: %I.WithSelf.F.type => constants.%I.WithSelf.F.type.03f
// CHECK:STDOUT: %I.WithSelf.F => constants.%I.WithSelf.F.b7f
// CHECK:STDOUT: }
// CHECK:STDOUT:
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