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carbon-lang/toolchain/check/testdata/for/basic.carbon
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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/for.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/for/basic.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/for/basic.carbon
// --- fail_not_range.carbon
library "[[@TEST_NAME]]";
fn Run() {
// TODO: These diagnostics could be better.
// CHECK:STDERR: fail_not_range.carbon:[[@LINE+2]]:7-26: error: cannot access member of interface `Core.Iterate` in type `{}` that does not implement that interface [MissingImplInMemberAccess]
// CHECK:STDERR:
for (unused c: {} in {}) {
}
}
// --- trivial.carbon
library "[[@TEST_NAME]]";
class TrivialRange {
impl as Core.Iterate where .CursorType = () and .ElementType = () {
fn NewCursor(unused self) {}
fn Next(unused self, unused ref cursor: ()) -> Core.Optional(()) {
return Core.Optional(()).None();
}
}
}
fn Body();
fn AfterLoop();
fn Run() {
//@dump-sem-ir-begin
for (_: () in {} as TrivialRange) {
Body();
}
AfterLoop();
//@dump-sem-ir-end
}
// CHECK:STDOUT: --- trivial.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %TrivialRange: type = class_type @TrivialRange [concrete]
// CHECK:STDOUT: %Iterate.type: type = facet_type <@Iterate> [concrete]
// CHECK:STDOUT: %Copy.type: type = facet_type <@Copy> [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %T.f84: %Copy.type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %T.as_type.c1c: type = facet_access_type %T.f84 [symbolic]
// CHECK:STDOUT: %Optional.afc: type = class_type @Optional, @Optional(%T.f84) [symbolic]
// CHECK:STDOUT: %Optional.elem.a1f: type = unbound_element_type %Optional.afc, %T.as_type.c1c [symbolic]
// CHECK:STDOUT: %Optional.elem.fbd: type = unbound_element_type %Optional.afc, bool [symbolic]
// CHECK:STDOUT: %Optional.Get.type.f7a: type = fn_type @Optional.Get, @Optional(%T.f84) [symbolic]
// CHECK:STDOUT: %Optional.Get.c2b: %Optional.Get.type.f7a = struct_value () [symbolic]
// CHECK:STDOUT: %Optional.HasValue.type.23a: type = fn_type @Optional.HasValue, @Optional(%T.f84) [symbolic]
// CHECK:STDOUT: %Optional.HasValue.f8f: %Optional.HasValue.type.23a = struct_value () [symbolic]
// CHECK:STDOUT: %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
// CHECK:STDOUT: %Copy.impl_witness.37a: <witness> = impl_witness imports.%Copy.impl_witness_table.229 [concrete]
// CHECK:STDOUT: %Copy.facet: %Copy.type = facet_value %empty_tuple.type, (%Copy.impl_witness.37a) [concrete]
// CHECK:STDOUT: %Iterate.impl_witness: <witness> = impl_witness @TrivialRange.as.Iterate.impl.%Iterate.impl_witness_table [concrete]
// CHECK:STDOUT: %TrivialRange.as.Iterate.impl.NewCursor.type.de32c1.1: type = fn_type @TrivialRange.as.Iterate.impl.NewCursor.loc6_31.1 [concrete]
// CHECK:STDOUT: %TrivialRange.as.Iterate.impl.NewCursor.93de00.1: %TrivialRange.as.Iterate.impl.NewCursor.type.de32c1.1 = struct_value () [concrete]
// CHECK:STDOUT: %pattern_type.cb1: type = pattern_type %empty_tuple.type [concrete]
// CHECK:STDOUT: %Optional.9a5: type = class_type @Optional, @Optional(%Copy.facet) [concrete]
// CHECK:STDOUT: %TrivialRange.as.Iterate.impl.Next.type: type = fn_type @TrivialRange.as.Iterate.impl.Next [concrete]
// CHECK:STDOUT: %TrivialRange.as.Iterate.impl.Next: %TrivialRange.as.Iterate.impl.Next.type = struct_value () [concrete]
// CHECK:STDOUT: %Iterate.facet.38e: %Iterate.type = facet_value %TrivialRange, (%Iterate.impl_witness) [concrete]
// CHECK:STDOUT: %Iterate.WithSelf.NewCursor.type.937: type = fn_type @Iterate.WithSelf.NewCursor, @Iterate.WithSelf(%Iterate.facet.38e) [concrete]
// CHECK:STDOUT: %Iterate.WithSelf.Next.type.741: type = fn_type @Iterate.WithSelf.Next, @Iterate.WithSelf(%Iterate.facet.38e) [concrete]
// CHECK:STDOUT: %TrivialRange.as.Iterate.impl.NewCursor.type.de32c1.2: type = fn_type @TrivialRange.as.Iterate.impl.NewCursor.loc6_31.2 [concrete]
// CHECK:STDOUT: %TrivialRange.as.Iterate.impl.NewCursor.93de00.2: %TrivialRange.as.Iterate.impl.NewCursor.type.de32c1.2 = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %Optional.HasValue.type.871: type = fn_type @Optional.HasValue, @Optional(%Copy.facet) [concrete]
// CHECK:STDOUT: %Optional.HasValue.e1d: %Optional.HasValue.type.871 = struct_value () [concrete]
// CHECK:STDOUT: %Optional.Get.type.76d: type = fn_type @Optional.Get, @Optional(%Copy.facet) [concrete]
// CHECK:STDOUT: %Optional.Get.fd5: %Optional.Get.type.76d = struct_value () [concrete]
// CHECK:STDOUT: %Optional.elem.ac4: type = unbound_element_type %Optional.9a5, bool [concrete]
// CHECK:STDOUT: %Optional.elem.5ec: type = unbound_element_type %Optional.9a5, %empty_tuple.type [concrete]
// CHECK:STDOUT: %struct_type.has_value.value.da2: type = struct_type {.has_value: bool, .value: %empty_tuple.type} [concrete]
// CHECK:STDOUT: %Body.type: type = fn_type @Body [concrete]
// CHECK:STDOUT: %Body: %Body.type = struct_value () [concrete]
// CHECK:STDOUT: %AfterLoop.type: type = fn_type @AfterLoop [concrete]
// CHECK:STDOUT: %AfterLoop: %AfterLoop.type = struct_value () [concrete]
// CHECK:STDOUT: %_.patt: %pattern_type.cb1 = value_binding_pattern _ [concrete]
// CHECK:STDOUT: %empty_struct: %empty_struct_type = struct_value () [concrete]
// CHECK:STDOUT: %TrivialRange.val: %TrivialRange = struct_value () [concrete]
// CHECK:STDOUT: %.50e: ref %TrivialRange = temporary invalid, %TrivialRange.val [concrete]
// CHECK:STDOUT: %.953: type = fn_type_with_self_type %Iterate.WithSelf.NewCursor.type.937, %Iterate.facet.38e [concrete]
// CHECK:STDOUT: %TrivialRange.as.Iterate.impl.NewCursor.bound.464: <bound method> = bound_method %.50e, %TrivialRange.as.Iterate.impl.NewCursor.93de00.2 [concrete]
// CHECK:STDOUT: %TrivialRange.as.Iterate.impl.NewCursor.bound.410: <bound method> = bound_method %TrivialRange.val, %TrivialRange.as.Iterate.impl.NewCursor.93de00.1 [concrete]
// CHECK:STDOUT: %.d49: type = fn_type_with_self_type %Iterate.WithSelf.Next.type.741, %Iterate.facet.38e [concrete]
// CHECK:STDOUT: %TrivialRange.as.Iterate.impl.Next.bound: <bound method> = bound_method %.50e, %TrivialRange.as.Iterate.impl.Next [concrete]
// CHECK:STDOUT: %Optional.HasValue.specific_fn: <specific function> = specific_function %Optional.HasValue.e1d, @Optional.HasValue(%Copy.facet) [concrete]
// CHECK:STDOUT: %Optional.Get.specific_fn: <specific function> = specific_function %Optional.Get.fd5, @Optional.Get(%Copy.facet) [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.1: type = fn_type @SubobjectDestroy.WithSelf.Op.loc18_35.1 [concrete]
// CHECK:STDOUT: %SubobjectDestroy.WithSelf.Op.30f1ee.1: %SubobjectDestroy.WithSelf.Op.type.6870fd.1 = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.b80ef6.1: <witness> = custom_witness (%SubobjectDestroy.WithSelf.Op.30f1ee.1), @SubobjectDestroy [concrete]
// CHECK:STDOUT: %SubobjectDestroy.facet.f89: %SubobjectDestroy.type = facet_value %empty_tuple.type, (%custom_witness.b80ef6.1) [concrete]
// CHECK:STDOUT: %DestroyImpl.impl_witness.674: <witness> = impl_witness imports.%DestroyImpl.impl_witness_table, @T.as_type.as.DestroyImpl.impl(%SubobjectDestroy.facet.f89) [concrete]
// CHECK:STDOUT: %Destroy.facet.939: %Destroy.type = facet_value %empty_tuple.type, (%DestroyImpl.impl_witness.674, %custom_witness.b80ef6.1) [concrete]
// CHECK:STDOUT: %SubobjectDestroy.WithSelf.Op.type.6870fd.2: type = fn_type @SubobjectDestroy.WithSelf.Op.loc18_35.2 [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.a87: %SubobjectDestroy.type = facet_value bool, (%custom_witness.b80ef6.2) [concrete]
// CHECK:STDOUT: %DestroyImpl.impl_witness.778: <witness> = impl_witness imports.%DestroyImpl.impl_witness_table, @T.as_type.as.DestroyImpl.impl(%SubobjectDestroy.facet.a87) [concrete]
// CHECK:STDOUT: %Destroy.facet.e68: %Destroy.type = facet_value bool, (%DestroyImpl.impl_witness.778, %custom_witness.b80ef6.2) [concrete]
// CHECK:STDOUT: %SubobjectDestroy.WithSelf.Op.type.6870fd.4: type = fn_type @SubobjectDestroy.WithSelf.Op.loc18_35.4 [concrete]
// CHECK:STDOUT: %SubobjectDestroy.WithSelf.Op.30f1ee.4: %SubobjectDestroy.WithSelf.Op.type.6870fd.4 = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.b80ef6.4: <witness> = custom_witness (%SubobjectDestroy.WithSelf.Op.30f1ee.4), @SubobjectDestroy [concrete]
// CHECK:STDOUT: %SubobjectDestroy.facet.854: %SubobjectDestroy.type = facet_value %Optional.9a5, (%custom_witness.b80ef6.4) [concrete]
// CHECK:STDOUT: %DestroyImpl.impl_witness.edb: <witness> = impl_witness imports.%DestroyImpl.impl_witness_table, @T.as_type.as.DestroyImpl.impl(%SubobjectDestroy.facet.854) [concrete]
// CHECK:STDOUT: %Destroy.facet.a93: %Destroy.type = facet_value %Optional.9a5, (%DestroyImpl.impl_witness.edb, %custom_witness.b80ef6.4) [concrete]
// CHECK:STDOUT: %SubobjectDestroy.WithSelf.Op.type.6870fd.6: type = fn_type @SubobjectDestroy.WithSelf.Op.loc18_20.2 [concrete]
// CHECK:STDOUT: %SubobjectDestroy.WithSelf.Op.30f1ee.6: %SubobjectDestroy.WithSelf.Op.type.6870fd.6 = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.b80ef6.6: <witness> = custom_witness (%SubobjectDestroy.WithSelf.Op.30f1ee.6), @SubobjectDestroy [concrete]
// CHECK:STDOUT: %SubobjectDestroy.facet.328: %SubobjectDestroy.type = facet_value %TrivialRange, (%custom_witness.b80ef6.6) [concrete]
// CHECK:STDOUT: %DestroyImpl.impl_witness.9c7: <witness> = impl_witness imports.%DestroyImpl.impl_witness_table, @T.as_type.as.DestroyImpl.impl(%SubobjectDestroy.facet.328) [concrete]
// CHECK:STDOUT: %Destroy.facet.7d8: %Destroy.type = facet_value %TrivialRange, (%DestroyImpl.impl_witness.9c7, %custom_witness.b80ef6.6) [concrete]
// CHECK:STDOUT: %empty_tuple.type.as.Copy.impl.Op.type: type = fn_type @empty_tuple.type.as.Copy.impl.Op [concrete]
// CHECK:STDOUT: %empty_tuple.type.as.Copy.impl.Op: %empty_tuple.type.as.Copy.impl.Op.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core.import_ref.5b1: @Optional.%Optional.HasValue.type (%Optional.HasValue.type.23a) = import_ref Core//prelude/parts/iterate, inst{{[0-9A-F]+}} [indirect], loaded [symbolic = @Optional.%Optional.HasValue (constants.%Optional.HasValue.f8f)]
// CHECK:STDOUT: %Core.import_ref.93e: @Optional.%Optional.Get.type (%Optional.Get.type.f7a) = import_ref Core//prelude/parts/iterate, inst{{[0-9A-F]+}} [indirect], loaded [symbolic = @Optional.%Optional.Get (constants.%Optional.Get.c2b)]
// CHECK:STDOUT: %Core.import_ref.5d0: @Optional.%Optional.elem.1 (%Optional.elem.fbd) = import_ref Core//prelude/parts/iterate, inst{{[0-9A-F]+}} [indirect], loaded [concrete = %field_decl.897]
// CHECK:STDOUT: %Core.import_ref.2f6: @Optional.%Optional.elem.2 (%Optional.elem.a1f) = import_ref Core//prelude/parts/iterate, inst{{[0-9A-F]+}} [indirect], loaded [concrete = %field_decl.b75]
// CHECK:STDOUT: %Core.import_ref.9c3: %empty_tuple.type.as.Copy.impl.Op.type = import_ref Core//prelude/parts/copy, loc{{\d+_\d+}}, loaded [concrete = constants.%empty_tuple.type.as.Copy.impl.Op]
// CHECK:STDOUT: %Copy.impl_witness_table.229 = impl_witness_table (%Core.import_ref.9c3), @empty_tuple.type.as.Copy.impl [concrete]
// 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: %Core.import_ref.127 = import_ref Core//prelude/parts/optional, loc{{\d+_\d+}}, unloaded
// CHECK:STDOUT: %field_decl.b75: @Optional.%Optional.elem.2 (%Optional.elem.a1f) = field_decl value, element1, %Core.import_ref.127 in [concrete] {}
// CHECK:STDOUT: %Core.import_ref.b0d = import_ref Core//prelude/parts/optional, loc{{\d+_\d+}}, unloaded
// CHECK:STDOUT: %field_decl.897: @Optional.%Optional.elem.1 (%Optional.elem.fbd) = field_decl has_value, element0, %Core.import_ref.b0d in [concrete] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Run() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %_.patt: %pattern_type.cb1 = value_binding_pattern _ [concrete = constants.%_.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc18_18.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
// CHECK:STDOUT: %TrivialRange.ref: type = name_ref TrivialRange, file.%TrivialRange.decl [concrete = constants.%TrivialRange]
// CHECK:STDOUT: %.loc18_18.2: ref %TrivialRange = temporary_storage
// CHECK:STDOUT: %.loc18_18.3: init %TrivialRange to %.loc18_18.2 = class_init () [concrete = constants.%TrivialRange.val]
// CHECK:STDOUT: %.loc18_20.1: init %TrivialRange = converted %.loc18_18.1, %.loc18_18.3 [concrete = constants.%TrivialRange.val]
// CHECK:STDOUT: %.loc18_20.2: ref %TrivialRange = temporary %.loc18_18.2, %.loc18_20.1 [concrete = constants.%.50e]
// CHECK:STDOUT: %impl.elem2: %.953 = impl_witness_access constants.%Iterate.impl_witness, element2 [concrete = constants.%TrivialRange.as.Iterate.impl.NewCursor.93de00.2]
// CHECK:STDOUT: %bound_method.loc18_35.1: <bound method> = bound_method %.loc18_20.2, %impl.elem2 [concrete = constants.%TrivialRange.as.Iterate.impl.NewCursor.bound.464]
// CHECK:STDOUT: %.loc18_20.3: %TrivialRange = acquire_value %.loc18_20.2 [concrete = constants.%TrivialRange.val]
// CHECK:STDOUT: %NewCursor.ref: %TrivialRange.as.Iterate.impl.NewCursor.type.de32c1.1 = name_ref NewCursor, @TrivialRange.as.Iterate.impl.%TrivialRange.as.Iterate.impl.NewCursor.decl.loc6_31.1 [concrete = constants.%TrivialRange.as.Iterate.impl.NewCursor.93de00.1]
// CHECK:STDOUT: %TrivialRange.as.Iterate.impl.NewCursor.bound: <bound method> = bound_method %.loc18_20.3, %NewCursor.ref [concrete = constants.%TrivialRange.as.Iterate.impl.NewCursor.bound.410]
// CHECK:STDOUT: %TrivialRange.as.Iterate.impl.NewCursor.call: init %empty_tuple.type = call %TrivialRange.as.Iterate.impl.NewCursor.bound(%.loc18_20.3)
// CHECK:STDOUT: %var: ref %empty_tuple.type = var_storage invalid
// CHECK:STDOUT: assign %var, %TrivialRange.as.Iterate.impl.NewCursor.call
// CHECK:STDOUT: br !for.next
// CHECK:STDOUT:
// CHECK:STDOUT: !for.next:
// CHECK:STDOUT: %impl.elem3: %.d49 = impl_witness_access constants.%Iterate.impl_witness, element3 [concrete = constants.%TrivialRange.as.Iterate.impl.Next]
// CHECK:STDOUT: %bound_method.loc18_35.2: <bound method> = bound_method %.loc18_20.2, %impl.elem3 [concrete = constants.%TrivialRange.as.Iterate.impl.Next.bound]
// CHECK:STDOUT: %.loc18_35.1: ref %Optional.9a5 = temporary_storage
// CHECK:STDOUT: %.loc18_20.4: %TrivialRange = acquire_value %.loc18_20.2 [concrete = constants.%TrivialRange.val]
// CHECK:STDOUT: %TrivialRange.as.Iterate.impl.Next.call: init %Optional.9a5 to %.loc18_35.1 = call %bound_method.loc18_35.2(%.loc18_20.4, %var)
// CHECK:STDOUT: %.loc18_35.2: ref %Optional.9a5 = temporary %.loc18_35.1, %TrivialRange.as.Iterate.impl.Next.call
// CHECK:STDOUT: %.loc18_35.3: %Optional.HasValue.type.871 = specific_constant imports.%Core.import_ref.5b1, @Optional(constants.%Copy.facet) [concrete = constants.%Optional.HasValue.e1d]
// CHECK:STDOUT: %HasValue.ref: %Optional.HasValue.type.871 = name_ref HasValue, %.loc18_35.3 [concrete = constants.%Optional.HasValue.e1d]
// CHECK:STDOUT: %Optional.HasValue.bound: <bound method> = bound_method %.loc18_35.2, %HasValue.ref
// CHECK:STDOUT: %Optional.HasValue.specific_fn: <specific function> = specific_function %HasValue.ref, @Optional.HasValue(constants.%Copy.facet) [concrete = constants.%Optional.HasValue.specific_fn]
// CHECK:STDOUT: %bound_method.loc18_35.3: <bound method> = bound_method %.loc18_35.2, %Optional.HasValue.specific_fn
// CHECK:STDOUT: %.loc18_35.4: %Optional.9a5 = acquire_value %.loc18_35.2
// CHECK:STDOUT: %Optional.HasValue.call: init bool = call %bound_method.loc18_35.3(%.loc18_35.4)
// CHECK:STDOUT: %.loc18_35.5: bool = value_of_initializer %Optional.HasValue.call
// CHECK:STDOUT: %.loc18_35.6: bool = converted %Optional.HasValue.call, %.loc18_35.5
// CHECK:STDOUT: if %.loc18_35.6 br !for.body else br !for.done
// CHECK:STDOUT:
// CHECK:STDOUT: !for.body:
// CHECK:STDOUT: %.loc18_35.7: %Optional.Get.type.76d = specific_constant imports.%Core.import_ref.93e, @Optional(constants.%Copy.facet) [concrete = constants.%Optional.Get.fd5]
// CHECK:STDOUT: %Get.ref: %Optional.Get.type.76d = name_ref Get, %.loc18_35.7 [concrete = constants.%Optional.Get.fd5]
// CHECK:STDOUT: %Optional.Get.bound: <bound method> = bound_method %.loc18_35.2, %Get.ref
// CHECK:STDOUT: %Optional.Get.specific_fn: <specific function> = specific_function %Get.ref, @Optional.Get(constants.%Copy.facet) [concrete = constants.%Optional.Get.specific_fn]
// CHECK:STDOUT: %bound_method.loc18_35.4: <bound method> = bound_method %.loc18_35.2, %Optional.Get.specific_fn
// CHECK:STDOUT: %.loc18_35.8: %Optional.9a5 = acquire_value %.loc18_35.2
// CHECK:STDOUT: %Optional.Get.call: init %empty_tuple.type = call %bound_method.loc18_35.4(%.loc18_35.8)
// CHECK:STDOUT: %.loc18_35.9: ref %empty_tuple.type = temporary_storage
// CHECK:STDOUT: %.loc18_35.10: ref %empty_tuple.type = temporary %.loc18_35.9, %Optional.Get.call
// CHECK:STDOUT: %empty_tuple: %empty_tuple.type = tuple_value () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc18_35.11: %empty_tuple.type = converted %Optional.Get.call, %empty_tuple [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc18_12.1: type = splice_block %.loc18_12.3 [concrete = constants.%empty_tuple.type] {
// CHECK:STDOUT: %.loc18_12.2: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc18_12.3: type = converted %.loc18_12.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %_: %empty_tuple.type = wrapper_binding _, %.loc18_35.11
// CHECK:STDOUT: %Body.ref: %Body.type = name_ref Body, file.%Body.decl [concrete = constants.%Body]
// CHECK:STDOUT: %Body.call: init %empty_tuple.type = call %Body.ref()
// CHECK:STDOUT: %Destroy.facet.loc18_35.1: %Destroy.type = facet_value constants.%empty_tuple.type, (constants.%DestroyImpl.impl_witness.674, constants.%custom_witness.b80ef6.1) [concrete = constants.%Destroy.facet.939]
// CHECK:STDOUT: %.loc18_35.12: %Destroy.type = converted constants.%empty_tuple.type, %Destroy.facet.loc18_35.1 [concrete = constants.%Destroy.facet.939]
// CHECK:STDOUT: %Destroy.facet.loc18_35.2: %Destroy.type = facet_value constants.%empty_tuple.type, (constants.%DestroyImpl.impl_witness.674, constants.%custom_witness.b80ef6.1) [concrete = constants.%Destroy.facet.939]
// CHECK:STDOUT: %.loc18_35.13: %Destroy.type = converted constants.%empty_tuple.type, %Destroy.facet.loc18_35.2 [concrete = constants.%Destroy.facet.939]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %SelfDestruct.call.loc18_35.1: init %empty_tuple.type = call %SelfDestruct.specific_fn.1(%.loc18_35.10)
// CHECK:STDOUT: %Destroy.facet.loc18_35.3: %Destroy.type = facet_value constants.%Optional.9a5, (constants.%DestroyImpl.impl_witness.edb, constants.%custom_witness.b80ef6.4) [concrete = constants.%Destroy.facet.a93]
// CHECK:STDOUT: %.loc18_35.14: %Destroy.type = converted constants.%Optional.9a5, %Destroy.facet.loc18_35.3 [concrete = constants.%Destroy.facet.a93]
// CHECK:STDOUT: %Destroy.facet.loc18_35.4: %Destroy.type = facet_value constants.%Optional.9a5, (constants.%DestroyImpl.impl_witness.edb, constants.%custom_witness.b80ef6.4) [concrete = constants.%Destroy.facet.a93]
// CHECK:STDOUT: %.loc18_35.15: %Destroy.type = converted constants.%Optional.9a5, %Destroy.facet.loc18_35.4 [concrete = constants.%Destroy.facet.a93]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %SelfDestruct.call.loc18_35.2: init %empty_tuple.type = call %SelfDestruct.specific_fn.2(%.loc18_35.2)
// CHECK:STDOUT: br !for.next
// CHECK:STDOUT:
// CHECK:STDOUT: !for.done:
// CHECK:STDOUT: %Destroy.facet.loc18_35.5: %Destroy.type = facet_value constants.%Optional.9a5, (constants.%DestroyImpl.impl_witness.edb, constants.%custom_witness.b80ef6.4) [concrete = constants.%Destroy.facet.a93]
// CHECK:STDOUT: %.loc18_35.16: %Destroy.type = converted constants.%Optional.9a5, %Destroy.facet.loc18_35.5 [concrete = constants.%Destroy.facet.a93]
// CHECK:STDOUT: %Destroy.facet.loc18_35.6: %Destroy.type = facet_value constants.%Optional.9a5, (constants.%DestroyImpl.impl_witness.edb, constants.%custom_witness.b80ef6.4) [concrete = constants.%Destroy.facet.a93]
// CHECK:STDOUT: %.loc18_35.17: %Destroy.type = converted constants.%Optional.9a5, %Destroy.facet.loc18_35.6 [concrete = constants.%Destroy.facet.a93]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %SelfDestruct.call.loc18_35.3: init %empty_tuple.type = call %SelfDestruct.specific_fn.3(%.loc18_35.2)
// CHECK:STDOUT: %Destroy.facet.loc18_35.7: %Destroy.type = facet_value constants.%empty_tuple.type, (constants.%DestroyImpl.impl_witness.674, constants.%custom_witness.b80ef6.1) [concrete = constants.%Destroy.facet.939]
// CHECK:STDOUT: %.loc18_35.18: %Destroy.type = converted constants.%empty_tuple.type, %Destroy.facet.loc18_35.7 [concrete = constants.%Destroy.facet.939]
// CHECK:STDOUT: %Destroy.facet.loc18_35.8: %Destroy.type = facet_value constants.%empty_tuple.type, (constants.%DestroyImpl.impl_witness.674, constants.%custom_witness.b80ef6.1) [concrete = constants.%Destroy.facet.939]
// CHECK:STDOUT: %.loc18_35.19: %Destroy.type = converted constants.%empty_tuple.type, %Destroy.facet.loc18_35.8 [concrete = constants.%Destroy.facet.939]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %SelfDestruct.call.loc18_35.4: init %empty_tuple.type = call %SelfDestruct.specific_fn.4(%var)
// CHECK:STDOUT: %Destroy.facet.loc18_20.1: %Destroy.type = facet_value constants.%TrivialRange, (constants.%DestroyImpl.impl_witness.9c7, constants.%custom_witness.b80ef6.6) [concrete = constants.%Destroy.facet.7d8]
// CHECK:STDOUT: %.loc18_20.5: %Destroy.type = converted constants.%TrivialRange, %Destroy.facet.loc18_20.1 [concrete = constants.%Destroy.facet.7d8]
// CHECK:STDOUT: %Destroy.facet.loc18_20.2: %Destroy.type = facet_value constants.%TrivialRange, (constants.%DestroyImpl.impl_witness.9c7, constants.%custom_witness.b80ef6.6) [concrete = constants.%Destroy.facet.7d8]
// CHECK:STDOUT: %.loc18_20.6: %Destroy.type = converted constants.%TrivialRange, %Destroy.facet.loc18_20.2 [concrete = constants.%Destroy.facet.7d8]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %SelfDestruct.call.loc18_20: init %empty_tuple.type = call %SelfDestruct.specific_fn.5(%.loc18_20.2)
// CHECK:STDOUT: %AfterLoop.ref: %AfterLoop.type = name_ref AfterLoop, file.%AfterLoop.decl [concrete = constants.%AfterLoop]
// CHECK:STDOUT: %AfterLoop.call: init %empty_tuple.type = call %AfterLoop.ref()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @SubobjectDestroy.WithSelf.Op.loc18_35.1(%self.param: ref %empty_tuple.type) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @SubobjectDestroy.WithSelf.Op.loc18_35.2(%self.param: ref bool) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @SubobjectDestroy.WithSelf.Op.loc18_35.3(%self.param: ref %struct_type.has_value.value.da2) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc18_35.1: ref %empty_tuple.type = struct_access %self.param, element1
// CHECK:STDOUT: %Destroy.facet.loc18_35.1: %Destroy.type = facet_value constants.%empty_tuple.type, (constants.%DestroyImpl.impl_witness.674, constants.%custom_witness.b80ef6.1) [concrete = constants.%Destroy.facet.939]
// CHECK:STDOUT: %.loc18_35.2: %Destroy.type = converted constants.%empty_tuple.type, %Destroy.facet.loc18_35.1 [concrete = constants.%Destroy.facet.939]
// CHECK:STDOUT: %Destroy.facet.loc18_35.2: %Destroy.type = facet_value constants.%empty_tuple.type, (constants.%DestroyImpl.impl_witness.674, constants.%custom_witness.b80ef6.1) [concrete = constants.%Destroy.facet.939]
// CHECK:STDOUT: %.loc18_35.3: %Destroy.type = converted constants.%empty_tuple.type, %Destroy.facet.loc18_35.2 [concrete = constants.%Destroy.facet.939]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %SelfDestruct.call.loc18_35.1: init %empty_tuple.type = call %SelfDestruct.specific_fn.1(%.loc18_35.1)
// CHECK:STDOUT: %.loc18_35.4: ref bool = struct_access %self.param, element0
// CHECK:STDOUT: %Destroy.facet.loc18_35.3: %Destroy.type = facet_value bool, (constants.%DestroyImpl.impl_witness.778, constants.%custom_witness.b80ef6.2) [concrete = constants.%Destroy.facet.e68]
// CHECK:STDOUT: %.loc18_35.5: %Destroy.type = converted bool, %Destroy.facet.loc18_35.3 [concrete = constants.%Destroy.facet.e68]
// CHECK:STDOUT: %Destroy.facet.loc18_35.4: %Destroy.type = facet_value bool, (constants.%DestroyImpl.impl_witness.778, constants.%custom_witness.b80ef6.2) [concrete = constants.%Destroy.facet.e68]
// CHECK:STDOUT: %.loc18_35.6: %Destroy.type = converted bool, %Destroy.facet.loc18_35.4 [concrete = constants.%Destroy.facet.e68]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %SelfDestruct.call.loc18_35.2: init %empty_tuple.type = call %SelfDestruct.specific_fn.2(%.loc18_35.4)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @SubobjectDestroy.WithSelf.Op.loc18_35.4(%self.param: ref %Optional.9a5) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %value.ref: %Optional.elem.5ec = name_ref value, imports.%Core.import_ref.2f6 [concrete = imports.%field_decl.b75]
// CHECK:STDOUT: %.loc18_35.1: ref %empty_tuple.type = class_element_access %self.param, element1
// CHECK:STDOUT: %Destroy.facet.loc18_35.1: %Destroy.type = facet_value constants.%empty_tuple.type, (constants.%DestroyImpl.impl_witness.674, constants.%custom_witness.b80ef6.1) [concrete = constants.%Destroy.facet.939]
// CHECK:STDOUT: %.loc18_35.2: %Destroy.type = converted constants.%empty_tuple.type, %Destroy.facet.loc18_35.1 [concrete = constants.%Destroy.facet.939]
// CHECK:STDOUT: %Destroy.facet.loc18_35.2: %Destroy.type = facet_value constants.%empty_tuple.type, (constants.%DestroyImpl.impl_witness.674, constants.%custom_witness.b80ef6.1) [concrete = constants.%Destroy.facet.939]
// CHECK:STDOUT: %.loc18_35.3: %Destroy.type = converted constants.%empty_tuple.type, %Destroy.facet.loc18_35.2 [concrete = constants.%Destroy.facet.939]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %SelfDestruct.call.loc18_35.1: init %empty_tuple.type = call %SelfDestruct.specific_fn.1(%.loc18_35.1)
// CHECK:STDOUT: %has_value.ref: %Optional.elem.ac4 = name_ref has_value, imports.%Core.import_ref.5d0 [concrete = imports.%field_decl.897]
// CHECK:STDOUT: %.loc18_35.4: ref bool = class_element_access %self.param, element0
// CHECK:STDOUT: %Destroy.facet.loc18_35.3: %Destroy.type = facet_value bool, (constants.%DestroyImpl.impl_witness.778, constants.%custom_witness.b80ef6.2) [concrete = constants.%Destroy.facet.e68]
// CHECK:STDOUT: %.loc18_35.5: %Destroy.type = converted bool, %Destroy.facet.loc18_35.3 [concrete = constants.%Destroy.facet.e68]
// CHECK:STDOUT: %Destroy.facet.loc18_35.4: %Destroy.type = facet_value bool, (constants.%DestroyImpl.impl_witness.778, constants.%custom_witness.b80ef6.2) [concrete = constants.%Destroy.facet.e68]
// CHECK:STDOUT: %.loc18_35.6: %Destroy.type = converted bool, %Destroy.facet.loc18_35.4 [concrete = constants.%Destroy.facet.e68]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %SelfDestruct.call.loc18_35.2: init %empty_tuple.type = call %SelfDestruct.specific_fn.2(%.loc18_35.4)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @SubobjectDestroy.WithSelf.Op.loc18_20.1(%self.param: ref %empty_struct_type) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @SubobjectDestroy.WithSelf.Op.loc18_20.2(%self.param: ref %TrivialRange) = "no_op";
// CHECK:STDOUT:
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