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carbon-lang/toolchain/check/testdata/impl/fail_extend_impl_scope.carbon
T
Christopher Di Bella 05a7ecbd34 Move SubobjectDestroy and SelfDestruct out of interface Destroy (#7942) 
Determining that a type has trivial destruction requires checking
whether all of its subobjects have trivial destruction and whether its
type has a custom witness for `Destroy.Op`. This isn't possible when
`Destroy` is the custodian for `Destroy.Op` and `SubobjectDestroy.Op`,
so we need to make `SubobjectDestroy` its own interface.

`Destroy.SelfDestruct` becomes a standalone function because it depends
on `SubobjectDestroy` and `Destroy` being implemented, and is also
responsible for generating any custom witnesses for both interfaces.
Making `SelfDestruct` an interface was experimented with, but this
required a blanket impl that caused issues for facet types.

`Destroy` depends on `SubobjectDestroy` to be implemented. We'd ideally
use `require impls SubobjectDestroy`, but it isn't complete yet, and it
also causes problems when `Destroy` is implemented inside the class
definition. We work around this by temporarily renaming the `Destroy`
interface to `DestroyImpl`, and introducing a constraint called
`Destroy` so that user code doesn't need to write `Core.SubobjectDestroy
& Core.Destroy`.
2026-10-26 21:35:01 +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/fail_extend_impl_scope.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/impl/fail_extend_impl_scope.carbon
// --- fail_extend_impl_file_scope.carbon
library "[[@TEST_NAME]]";
interface I {}
// CHECK:STDERR: fail_extend_impl_file_scope.carbon:[[@LINE+2]]:1-21: error: `extend impl` can only be used in an interface or class [ExtendImplOutsideClass]
// CHECK:STDERR:
extend impl () as I {}
// --- fail_extend_impl_function_scope.carbon
library "[[@TEST_NAME]]";
interface J {}
fn F() {
// CHECK:STDERR: fail_extend_impl_function_scope.carbon:[[@LINE+2]]:3-23: error: `extend impl` can only be used in an interface or class [ExtendImplOutsideClass]
// CHECK:STDERR:
extend impl {} as J {}
}
// --- fail_extend_impl_self_interface.carbon
library "[[@TEST_NAME]]";
interface Z {
fn Zero();
// CHECK:STDERR: fail_extend_impl_self_interface.carbon:[[@LINE+2]]:15-16: error: `impl as` can only be used in a class [ImplAsOutsideClass]
// CHECK:STDERR:
extend impl as Z {
fn Zero() {}
}
}
class Point {
extend impl as Z {
fn Zero() {}
}
}
fn F() {
// Even if the `extend impl` is diagnosed above, we must not add the impl of
// the interface to itself in a way that allows it to be used during impl
// lookup, or we end up with infinite impl lookup recursion here.
({} as Point).Zero();
}
// CHECK:STDOUT: --- fail_extend_impl_file_scope.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %I.type: type = facet_type <@I> [concrete]
// CHECK:STDOUT: %Self: %I.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
// CHECK:STDOUT: %.2ef: <witness> = impl_self_witness %empty_tuple.type, @I [concrete]
// CHECK:STDOUT: %I.impl_witness: <witness> = impl_witness @empty_tuple.type.as.I.impl.%I.impl_witness_table [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: impl_decl @empty_tuple.type.as.I.impl [concrete] {} {
// CHECK:STDOUT: %.loc7_14.1: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc7_14.2: type = converted %.loc7_14.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: %I.ref: type = name_ref I, file.%I.decl [concrete = constants.%I.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc7: <witness> = impl_self_witness @empty_tuple.type.as.I.impl.%.loc7_14.2, @I [concrete = constants.%.2ef]
// 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: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: witness = ()
// CHECK:STDOUT:
// CHECK:STDOUT: !requires:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @empty_tuple.type.as.I.impl: %.loc7_14.2 as %I.ref {
// CHECK:STDOUT: %I.impl_witness_table = impl_witness_table (), @empty_tuple.type.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: extend %I.ref
// CHECK:STDOUT: witness = <error>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.WithSelf(constants.%Self) {}
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_extend_impl_function_scope.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %J.type: type = facet_type <@J> [concrete]
// CHECK:STDOUT: %Self: %J.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %empty_struct: %empty_struct_type = struct_value () [concrete]
// CHECK:STDOUT: %.948: <witness> = impl_self_witness %empty_struct_type, @J [concrete]
// CHECK:STDOUT: %J.impl_witness: <witness> = impl_witness @empty_struct_type.as.J.impl.%J.impl_witness_table [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: .J = %J.decl
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %J.decl: type = interface_decl @J [concrete = constants.%J.type] {} {}
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @J {
// CHECK:STDOUT: %Self: %J.type = symbolic_binding Self, 0 [symbolic = constants.%Self]
// CHECK:STDOUT: %J.WithSelf.decl = interface_with_self_decl @J [concrete]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: witness = ()
// CHECK:STDOUT:
// CHECK:STDOUT: !requires:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @empty_struct_type.as.J.impl: %.loc8_16.2 as %J.ref {
// CHECK:STDOUT: %J.impl_witness_table = impl_witness_table (), @empty_struct_type.as.J.impl [concrete]
// CHECK:STDOUT: %J.impl_witness: <witness> = impl_witness %J.impl_witness_table [concrete = constants.%J.impl_witness]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: extend %J.ref
// CHECK:STDOUT: witness = <error>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: impl_decl @empty_struct_type.as.J.impl [concrete] {} {
// CHECK:STDOUT: %.loc8_16.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc8_16.2: type = converted %.loc8_16.1, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
// CHECK:STDOUT: %J.ref: type = name_ref J, file.%J.decl [concrete = constants.%J.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc8: <witness> = impl_self_witness @empty_struct_type.as.J.impl.%.loc8_16.2, @J [concrete = constants.%.948]
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @J.WithSelf(constants.%Self) {}
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_extend_impl_self_interface.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %Z.type: type = facet_type <@Z> [concrete]
// CHECK:STDOUT: %Self.cb6: %Z.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT: %Z.WithSelf.Zero.type.8fe: type = fn_type @Z.WithSelf.Zero, @Z.WithSelf(%Self.cb6) [symbolic]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %Z.WithSelf.Zero.2d4: %Z.WithSelf.Zero.type.8fe = struct_value () [symbolic]
// CHECK:STDOUT: %Z.assoc_type: type = assoc_entity_type @Z [concrete]
// CHECK:STDOUT: %assoc0: %Z.assoc_type = assoc_entity element0, @Z.WithSelf.%Z.WithSelf.Zero.decl [concrete]
// CHECK:STDOUT: %<error>.as.Z.impl.Zero.type: type = fn_type @<error>.as.Z.impl.Zero, @<error>.as.Z.impl(%Self.cb6) [symbolic]
// CHECK:STDOUT: %<error>.as.Z.impl.Zero: %<error>.as.Z.impl.Zero.type = struct_value () [symbolic]
// CHECK:STDOUT: %Point: type = class_type @Point [concrete]
// CHECK:STDOUT: %.354: <witness> = impl_self_witness %Point, @Z [concrete]
// CHECK:STDOUT: %Z.impl_witness: <witness> = impl_witness @Point.as.Z.impl.%Z.impl_witness_table [concrete]
// CHECK:STDOUT: %Point.as.Z.impl.Zero.type: type = fn_type @Point.as.Z.impl.Zero [concrete]
// CHECK:STDOUT: %Point.as.Z.impl.Zero: %Point.as.Z.impl.Zero.type = struct_value () [concrete]
// CHECK:STDOUT: %Z.facet: %Z.type = facet_value %Point, (%Z.impl_witness) [concrete]
// CHECK:STDOUT: %Z.WithSelf.Zero.type.e9c: type = fn_type @Z.WithSelf.Zero, @Z.WithSelf(%Z.facet) [concrete]
// CHECK:STDOUT: %Z.WithSelf.Zero.e5a: %Z.WithSelf.Zero.type.e9c = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct: %empty_struct_type = struct_value () [concrete]
// CHECK:STDOUT: %Point.val: %Point = struct_value () [concrete]
// CHECK:STDOUT: %.e6b: ref %Point = temporary invalid, %Point.val [concrete]
// CHECK:STDOUT: %Z.WithSelf.Zero.type.4ff: type = fn_type @Z.WithSelf.Zero, @Z.WithSelf(%Point) [concrete]
// CHECK:STDOUT: %Z.WithSelf.Zero.50c: %Z.WithSelf.Zero.type.4ff = struct_value () [concrete]
// CHECK:STDOUT: %.075: type = fn_type_with_self_type %Z.WithSelf.Zero.type.e9c, %Z.facet [concrete]
// CHECK:STDOUT: %SelfDestruct.type: type = fn_type @SelfDestruct [concrete]
// CHECK:STDOUT: %SelfDestruct: %SelfDestruct.type = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT: %SubobjectDestroy.type: type = facet_type <@SubobjectDestroy> [concrete]
// CHECK:STDOUT: %T.09f: %SubobjectDestroy.type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %T.as_type.as.DestroyImpl.impl.Op.type.dea: type = fn_type @T.as_type.as.DestroyImpl.impl.Op, @T.as_type.as.DestroyImpl.impl(%T.09f) [symbolic]
// CHECK:STDOUT: %T.as_type.as.DestroyImpl.impl.Op.6e5: %T.as_type.as.DestroyImpl.impl.Op.type.dea = struct_value () [symbolic]
// CHECK:STDOUT: %SubobjectDestroy.WithSelf.Op.type.6870fd.2: type = fn_type @SubobjectDestroy.WithSelf.Op.loc23_7.2 [concrete]
// CHECK:STDOUT: %SubobjectDestroy.WithSelf.Op.30f1ee.2: %SubobjectDestroy.WithSelf.Op.type.6870fd.2 = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.b80ef6.2: <witness> = custom_witness (%SubobjectDestroy.WithSelf.Op.30f1ee.2), @SubobjectDestroy [concrete]
// CHECK:STDOUT: %SubobjectDestroy.facet.04d: %SubobjectDestroy.type = facet_value %Point, (%custom_witness.b80ef6.2) [concrete]
// CHECK:STDOUT: %DestroyImpl.impl_witness.222: <witness> = impl_witness imports.%DestroyImpl.impl_witness_table, @T.as_type.as.DestroyImpl.impl(%SubobjectDestroy.facet.04d) [concrete]
// CHECK:STDOUT: %Destroy.facet: %Destroy.type = facet_value %Point, (%DestroyImpl.impl_witness.222, %custom_witness.b80ef6.2) [concrete]
// CHECK:STDOUT: %SelfDestruct.specific_fn: <specific function> = specific_function %SelfDestruct, @SelfDestruct(%Destroy.facet) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .SelfDestruct = %Core.SelfDestruct
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.SelfDestruct: %SelfDestruct.type = import_ref Core//prelude/parts/destroy, SelfDestruct, loaded [concrete = constants.%SelfDestruct]
// CHECK:STDOUT: %Core.import_ref.74d: @T.as_type.as.DestroyImpl.impl.%T.as_type.as.DestroyImpl.impl.Op.type (%T.as_type.as.DestroyImpl.impl.Op.type.dea) = import_ref Core//prelude/parts/destroy, loc{{\d+_\d+}}, loaded [symbolic = @T.as_type.as.DestroyImpl.impl.%T.as_type.as.DestroyImpl.impl.Op (constants.%T.as_type.as.DestroyImpl.impl.Op.6e5)]
// CHECK:STDOUT: %DestroyImpl.impl_witness_table = impl_witness_table (%Core.import_ref.74d), @T.as_type.as.DestroyImpl.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Z = %Z.decl
// CHECK:STDOUT: .Point = %Point.decl
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Z.decl: type = interface_decl @Z [concrete = constants.%Z.type] {} {}
// CHECK:STDOUT: %Point.decl: type = class_decl @Point [concrete = constants.%Point] {} {}
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Z {
// CHECK:STDOUT: %Self: %Z.type = symbolic_binding Self, 0 [symbolic = constants.%Self.cb6]
// CHECK:STDOUT: %Z.WithSelf.decl = interface_with_self_decl @Z [concrete]
// CHECK:STDOUT:
// CHECK:STDOUT: !with Self:
// CHECK:STDOUT: %Z.WithSelf.Zero.decl: @Z.WithSelf.%Z.WithSelf.Zero.type (%Z.WithSelf.Zero.type.8fe) = fn_decl @Z.WithSelf.Zero [symbolic = @Z.WithSelf.%Z.WithSelf.Zero (constants.%Z.WithSelf.Zero.2d4)] {} {}
// CHECK:STDOUT: %assoc0: %Z.assoc_type = assoc_entity element0, %Z.WithSelf.Zero.decl [concrete = constants.%assoc0]
// CHECK:STDOUT: impl_decl @<error>.as.Z.impl [concrete] {} {
// CHECK:STDOUT: %Z.ref: type = name_ref Z, file.%Z.decl [concrete = constants.%Z.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc8: <witness> = impl_self_witness <error>, @Z [concrete = <error>]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: .Z = <poisoned>
// CHECK:STDOUT: .Zero = @Z.WithSelf.%assoc0
// CHECK:STDOUT: .Z = <poisoned>
// CHECK:STDOUT: witness = (@Z.WithSelf.%Z.WithSelf.Zero.decl)
// CHECK:STDOUT:
// CHECK:STDOUT: !requires:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic impl @<error>.as.Z.impl(@Z.%Self: %Z.type) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Self: %Z.type = symbolic_binding Self, 0 [symbolic = %Self (constants.%Self.cb6)]
// CHECK:STDOUT: %<error>.as.Z.impl.Zero.type: type = fn_type @<error>.as.Z.impl.Zero, @<error>.as.Z.impl(%Self) [symbolic = %<error>.as.Z.impl.Zero.type (constants.%<error>.as.Z.impl.Zero.type)]
// CHECK:STDOUT: %<error>.as.Z.impl.Zero: @<error>.as.Z.impl.%<error>.as.Z.impl.Zero.type (%<error>.as.Z.impl.Zero.type) = struct_value () [symbolic = %<error>.as.Z.impl.Zero (constants.%<error>.as.Z.impl.Zero)]
// CHECK:STDOUT:
// CHECK:STDOUT: impl: <error> as %Z.ref {
// CHECK:STDOUT: %<error>.as.Z.impl.Zero.decl: @<error>.as.Z.impl.%<error>.as.Z.impl.Zero.type (%<error>.as.Z.impl.Zero.type) = fn_decl @<error>.as.Z.impl.Zero [symbolic = @<error>.as.Z.impl.%<error>.as.Z.impl.Zero (constants.%<error>.as.Z.impl.Zero)] {} {}
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Zero = %<error>.as.Z.impl.Zero.decl
// CHECK:STDOUT: extend %Z.ref
// CHECK:STDOUT: witness = <error>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @Point.as.Z.impl: %Self.ref as %Z.ref {
// CHECK:STDOUT: %Point.as.Z.impl.Zero.decl: %Point.as.Z.impl.Zero.type = fn_decl @Point.as.Z.impl.Zero [concrete = constants.%Point.as.Z.impl.Zero] {} {}
// CHECK:STDOUT: %Z.impl_witness_table = impl_witness_table (%Point.as.Z.impl.Zero.decl), @Point.as.Z.impl [concrete]
// CHECK:STDOUT: %Z.impl_witness: <witness> = impl_witness %Z.impl_witness_table [concrete = constants.%Z.impl_witness]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Zero = %Point.as.Z.impl.Zero.decl
// CHECK:STDOUT: extend %Z.ref
// CHECK:STDOUT: witness = %Z.impl_witness
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Point {
// CHECK:STDOUT: impl_decl @Point.as.Z.impl [concrete] {} {
// CHECK:STDOUT: %Self.ref: type = name_ref Self, constants.%Point [concrete = constants.%Point]
// CHECK:STDOUT: %Z.ref: type = name_ref Z, file.%Z.decl [concrete = constants.%Z.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc14: <witness> = impl_self_witness @Point.as.Z.impl.%Self.ref, @Z [concrete = constants.%.354]
// 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.%Point
// CHECK:STDOUT: .Z = <poisoned>
// CHECK:STDOUT: .Zero = <poisoned>
// CHECK:STDOUT: extend @Point.as.Z.impl.%Z.ref
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @Z.WithSelf.Zero(@Z.%Self: %Z.type) {
// CHECK:STDOUT: fn();
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @<error>.as.Z.impl.Zero(@Z.%Self: %Z.type) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:
// CHECK:STDOUT: fn() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Point.as.Z.impl.Zero() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc23_5.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
// CHECK:STDOUT: %Point.ref: type = name_ref Point, file.%Point.decl [concrete = constants.%Point]
// CHECK:STDOUT: %.loc23_5.2: ref %Point = temporary_storage
// CHECK:STDOUT: %.loc23_5.3: init %Point to %.loc23_5.2 = class_init () [concrete = constants.%Point.val]
// CHECK:STDOUT: %.loc23_7.1: init %Point = converted %.loc23_5.1, %.loc23_5.3 [concrete = constants.%Point.val]
// CHECK:STDOUT: %.loc23_7.2: ref %Point = temporary %.loc23_5.2, %.loc23_7.1 [concrete = constants.%.e6b]
// CHECK:STDOUT: %Zero.ref: %Z.assoc_type = name_ref Zero, @Z.WithSelf.%assoc0 [concrete = constants.%assoc0]
// CHECK:STDOUT: %impl.elem0: %.075 = impl_witness_access constants.%Z.impl_witness, element0 [concrete = constants.%Point.as.Z.impl.Zero]
// CHECK:STDOUT: %Point.as.Z.impl.Zero.call: init %empty_tuple.type = call %impl.elem0()
// CHECK:STDOUT: %Destroy.facet.loc23_7.1: %Destroy.type = facet_value constants.%Point, (constants.%DestroyImpl.impl_witness.222, constants.%custom_witness.b80ef6.2) [concrete = constants.%Destroy.facet]
// CHECK:STDOUT: %.loc23_7.3: %Destroy.type = converted constants.%Point, %Destroy.facet.loc23_7.1 [concrete = constants.%Destroy.facet]
// CHECK:STDOUT: %Destroy.facet.loc23_7.2: %Destroy.type = facet_value constants.%Point, (constants.%DestroyImpl.impl_witness.222, constants.%custom_witness.b80ef6.2) [concrete = constants.%Destroy.facet]
// CHECK:STDOUT: %.loc23_7.4: %Destroy.type = converted constants.%Point, %Destroy.facet.loc23_7.2 [concrete = constants.%Destroy.facet]
// CHECK:STDOUT: %SelfDestruct.specific_fn: <specific function> = specific_function constants.%SelfDestruct, @SelfDestruct(constants.%Destroy.facet) [concrete = constants.%SelfDestruct.specific_fn]
// CHECK:STDOUT: %SelfDestruct.call: init %empty_tuple.type = call %SelfDestruct.specific_fn(%.loc23_7.2)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @SubobjectDestroy.WithSelf.Op.loc23_7.1(%self.param: ref %empty_struct_type) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @SubobjectDestroy.WithSelf.Op.loc23_7.2(%self.param: ref %Point) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Z.WithSelf(constants.%Self.cb6) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Self => constants.%Self.cb6
// CHECK:STDOUT: %Z.WithSelf.Zero.type => constants.%Z.WithSelf.Zero.type.8fe
// CHECK:STDOUT: %Z.WithSelf.Zero => constants.%Z.WithSelf.Zero.2d4
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Z.WithSelf.Zero(constants.%Self.cb6) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @<error>.as.Z.impl(constants.%Self.cb6) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Self => constants.%Self.cb6
// CHECK:STDOUT: %<error>.as.Z.impl.Zero.type => constants.%<error>.as.Z.impl.Zero.type
// CHECK:STDOUT: %<error>.as.Z.impl.Zero => constants.%<error>.as.Z.impl.Zero
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @<error>.as.Z.impl.Zero(constants.%Self.cb6) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Z.WithSelf(constants.%Z.facet) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Self => constants.%Z.facet
// CHECK:STDOUT: %Z.WithSelf.Zero.type => constants.%Z.WithSelf.Zero.type.e9c
// CHECK:STDOUT: %Z.WithSelf.Zero => constants.%Z.WithSelf.Zero.e5a
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Z.WithSelf.Zero(constants.%Z.facet) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Z.WithSelf(constants.%Point) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Self => constants.%Point
// CHECK:STDOUT: %Z.WithSelf.Zero.type => constants.%Z.WithSelf.Zero.type.4ff
// CHECK:STDOUT: %Z.WithSelf.Zero => constants.%Z.WithSelf.Zero.50c
// CHECK:STDOUT: }
// CHECK:STDOUT:
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