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carbon-lang/toolchain/check/testdata/function/call/ref.carbon
T
Chandler Carruth d0badecd2a Switch tests to use the rendered form of diagnostics (#8070) 
Historically, we disabled the rendered form in tests outside of
`toolchain/diagnostics`. The idea was to keep tests shorter and avoid
very long chains of autoupdate before stabilizing due to all the line
numbers and other artifacts in the rendered form.

This PR adds `--diagnostic-line-numbers=[all|first]` and defaults to
`first` in tests. This keeps the rendered form so that we can easily
code review that form and the visual cues it does or doesn't provide.
But it removes all but the first location's line numbers to provide
significantly more stability in tests.

By default, tests get the full unicode line-drawing form of diagnostics
so we can ensure all of the artifacts there make sense with the specific
case being diagnosed, but we do retain some focused ASCII-rendering
tests to ensure that fallback remains usable.

There are some issues here that will be fixed in subsequent PRs.
Notably, we try to keep the frame together in the check lines, and so
force some parts to use the first location. This largely works, but
fails in some edge cases, causing the entire frame to be located
incorrectly. There is a TODO about this that we need to fix, and it only
occurs 6 times across the test suite, so it didn't seem worth
front-loading a fix for here.

Assisted-by: Claude Code
2026-11-05 07:19:59 +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/int.carbon
// EXTRA-ARGS: --dump-sem-ir-ranges=only
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/function/call/ref.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/function/call/ref.carbon
// --- basics.carbon
library "[[@TEST_NAME]]";
//@dump-sem-ir-begin
fn F(ref x: i32);
fn G() {
var y: i32 = 0;
F(ref y);
}
//@dump-sem-ir-end
// --- class.carbon
library "[[@TEST_NAME]]";
//@dump-sem-ir-begin
class C {
fn F(ref self);
}
fn G() {
var c: C;
c.F();
}
//@dump-sem-ir-end
// --- fail_ref_not_durable_ref.carbon
library "[[@TEST_NAME]]";
fn F(ref x: i32);
fn G() {
let y: i32 = 0;
// CHECK:STDERR: ╭─┤ fail_ref_not_durable_ref.carbon:[[@LINE+11]]:5
// CHECK:STDERR: │ fn F(ref x: i32);
// CHECK:STDERR: · ─────┬────
// CHECK:STDERR: · ╰──┤ initializing function parameter [InCallToFunctionParam]
// CHECK:STDERR: ┆
// CHECK:STDERR: -> │ F(ref y);
// CHECK:STDERR: · ━━┳━━
// CHECK:STDERR: · ┗━━┫ error: value expression passed to reference parameter
// CHECK:STDERR: · ┃ [ValueForRefParam]
// CHECK:STDERR: ╰────
// CHECK:STDERR:
F(ref y);
}
// --- fail_missing_ref.carbon
library "[[@TEST_NAME]]";
fn F(ref x: i32);
fn G() {
var y: i32 = 0;
// CHECK:STDERR: ╭─┤ fail_missing_ref.carbon:[[@LINE+11]]:5
// CHECK:STDERR: │ fn F(ref x: i32);
// CHECK:STDERR: · ─────┬────
// CHECK:STDERR: · ╰──┤ initializing function parameter [InCallToFunctionParam]
// CHECK:STDERR: ┆
// CHECK:STDERR: -> │ F(y);
// CHECK:STDERR: · ┳
// CHECK:STDERR: · ┗━━┫ error: argument to `ref` parameter not marked with `ref`
// CHECK:STDERR: · ┃ [RefParamNoRefTag]
// CHECK:STDERR: ╰────
// CHECK:STDERR:
F(y);
}
// --- fail_unnecessary_ref.carbon
library "[[@TEST_NAME]]";
fn F(x: i32);
fn G() {
var y: i32 = 0;
// CHECK:STDERR: ╭─┤ fail_unnecessary_ref.carbon:[[@LINE+8]]:27
// CHECK:STDERR: -> │ var unused z: (i32,) = (ref y,);
// CHECK:STDERR: · ┳━━━━
// CHECK:STDERR: · ┗━━┫ error: `ref` tag is not an argument to a `ref`
// CHECK:STDERR: · ┃ parameter
// CHECK:STDERR: · ┃ [RefTagNoRefParam]
// CHECK:STDERR: ╰────
// CHECK:STDERR:
var unused z: (i32,) = (ref y,);
// CHECK:STDERR: ╭─┤ fail_unnecessary_ref.carbon:[[@LINE+11]]:5
// CHECK:STDERR: │ fn F(x: i32);
// CHECK:STDERR: · ───┬──
// CHECK:STDERR: · ╰──┤ initializing function parameter [InCallToFunctionParam]
// CHECK:STDERR: ┆
// CHECK:STDERR: -> │ F(ref y);
// CHECK:STDERR: · ━━┳━━
// CHECK:STDERR: · ┗━━┫ error: `ref` tag is not an argument to a `ref` parameter
// CHECK:STDERR: · ┃ [RefTagNoRefParam]
// CHECK:STDERR: ╰────
// CHECK:STDERR:
F(ref y);
}
// --- converted_ref_arg.carbon
library "[[@TEST_NAME]]";
base class C {}
class D { extend base: C; }
fn F(ref c: C);
fn G(ref d: D) { F(ref d); }
// CHECK:STDOUT: --- basics.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %pattern_type.d94: type = pattern_type %i32 [concrete]
// CHECK:STDOUT: %x.param_patt: %pattern_type.d94 = ref_param_pattern [concrete]
// CHECK:STDOUT: %x.patt: %pattern_type.d94 = wrapper_binding_pattern x, %x.param_patt [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT: %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT: %y.patt: %pattern_type.d94 = ref_binding_pattern y [concrete]
// CHECK:STDOUT: %y.var_patt: %pattern_type.d94 = var_pattern %y.patt [concrete]
// CHECK:STDOUT: %int_0.5c6: Core.IntLiteral = int_value 0 [concrete]
// CHECK:STDOUT: %ImplicitAs.type.6b0: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT: %To: Core.IntLiteral = symbolic_binding To, 0 [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.3c6: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.6f2: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.3c6 = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.d73: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.f53, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.6b0 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.d73) [concrete]
// CHECK:STDOUT: %ImplicitAs.WithSelf.Convert.type.58f: type = fn_type @ImplicitAs.WithSelf.Convert, @ImplicitAs.WithSelf(%i32, %ImplicitAs.facet) [concrete]
// CHECK:STDOUT: %.33a: type = fn_type_with_self_type %ImplicitAs.WithSelf.Convert.type.58f, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.766: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.f60: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.766 = struct_value () [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound: <bound method> = bound_method %int_0.5c6, %Core.IntLiteral.as.ImplicitAs.impl.Convert.f60 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.f60, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %int_0.5c6, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_0.753: %i32 = int_value 0 [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.687: type = fn_type @SubobjectDestroy.WithSelf.Op.loc8 [concrete]
// CHECK:STDOUT: %SubobjectDestroy.WithSelf.Op.30f: %SubobjectDestroy.WithSelf.Op.type.687 = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.b80: <witness> = custom_witness (%SubobjectDestroy.WithSelf.Op.30f), @SubobjectDestroy [concrete]
// CHECK:STDOUT: %SubobjectDestroy.facet.49a: %SubobjectDestroy.type = facet_value %i32, (%custom_witness.b80) [concrete]
// CHECK:STDOUT: %DestroyImpl.impl_witness.077: <witness> = impl_witness imports.%DestroyImpl.impl_witness_table, @T.as_type.as.DestroyImpl.impl(%SubobjectDestroy.facet.49a) [concrete]
// CHECK:STDOUT: %Destroy.facet: %Destroy.type = facet_value %i32, (%DestroyImpl.impl_witness.077, %custom_witness.b80) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core.import_ref.e47: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.3c6) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.6f2)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.f53 = impl_witness_table (%Core.import_ref.e47), @Core.IntLiteral.as.ImplicitAs.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: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
// CHECK:STDOUT: %x.param_patt: %pattern_type.d94 = ref_param_pattern [concrete = constants.%x.param_patt]
// CHECK:STDOUT: %x.patt: %pattern_type.d94 = wrapper_binding_pattern x, %x.param_patt [concrete = constants.%x.patt]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %x.param: ref %i32 = ref_param call_param0
// CHECK:STDOUT: %i32: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %x: ref %i32 = wrapper_binding x, %x.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%x.param: ref %i32);
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %y.var: ref %i32 = var_storage %y.var_patt
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [concrete = constants.%int_0.5c6]
// CHECK:STDOUT: %impl.elem0: %.33a = impl_witness_access constants.%ImplicitAs.impl_witness.d73, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.f60]
// CHECK:STDOUT: %bound_method.loc8_3.1: <bound method> = bound_method %int_0, %impl.elem0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound]
// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc8_3.2: <bound method> = bound_method %int_0, %specific_fn [concrete = constants.%bound_method]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call: init %i32 = call %bound_method.loc8_3.2(%int_0) [concrete = constants.%int_0.753]
// CHECK:STDOUT: %.loc8_3.1: init %i32 = converted %int_0, %Core.IntLiteral.as.ImplicitAs.impl.Convert.call [concrete = constants.%int_0.753]
// CHECK:STDOUT: assign %y.var, %.loc8_3.1
// CHECK:STDOUT: %i32: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %y: ref %i32 = wrapper_binding y, %y.var
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %y.patt: %pattern_type.d94 = ref_binding_pattern y [concrete = constants.%y.patt]
// CHECK:STDOUT: %y.var_patt: %pattern_type.d94 = var_pattern %y.patt [concrete = constants.%y.var_patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: %F.ref: %F.type = name_ref F, file.%F.decl [concrete = constants.%F]
// CHECK:STDOUT: %y.ref: ref %i32 = name_ref y, %y
// CHECK:STDOUT: %.loc10: %i32 = ref_tag %y.ref
// CHECK:STDOUT: %F.call: init %empty_tuple.type = call %F.ref(%y.ref)
// CHECK:STDOUT: %Destroy.facet.loc8_3.1: %Destroy.type = facet_value constants.%i32, (constants.%DestroyImpl.impl_witness.077, constants.%custom_witness.b80) [concrete = constants.%Destroy.facet]
// CHECK:STDOUT: %.loc8_3.2: %Destroy.type = converted constants.%i32, %Destroy.facet.loc8_3.1 [concrete = constants.%Destroy.facet]
// CHECK:STDOUT: %Destroy.facet.loc8_3.2: %Destroy.type = facet_value constants.%i32, (constants.%DestroyImpl.impl_witness.077, constants.%custom_witness.b80) [concrete = constants.%Destroy.facet]
// CHECK:STDOUT: %.loc8_3.3: %Destroy.type = converted constants.%i32, %Destroy.facet.loc8_3.2 [concrete = constants.%Destroy.facet]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %SelfDestruct.call: init %empty_tuple.type = call %SelfDestruct.specific_fn(%y.var)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @SubobjectDestroy.WithSelf.Op.loc8(%self.param: ref %i32) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: --- class.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %pattern_type.98b: type = pattern_type %C [concrete]
// CHECK:STDOUT: %self.param_patt.99a: %pattern_type.98b = ref_param_pattern [concrete]
// CHECK:STDOUT: %self.patt.cbd: %pattern_type.98b = wrapper_binding_pattern self, %self.param_patt.99a [concrete]
// CHECK:STDOUT: %C.F.type: type = fn_type @C.F [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %C.F: %C.F.type = 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: %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT: %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT: %c.patt: %pattern_type.98b = ref_binding_pattern c [concrete]
// CHECK:STDOUT: %c.var_patt: %pattern_type.98b = var_pattern %c.patt [concrete]
// CHECK:STDOUT: %DefaultOrUnformed.type: type = facet_type <@DefaultOrUnformed> [concrete]
// CHECK:STDOUT: %T.67d: type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %T.as.DefaultOrUnformed.impl.Op.type.5f6: type = fn_type @T.as.DefaultOrUnformed.impl.Op, @T.as.DefaultOrUnformed.impl(%T.67d) [symbolic]
// CHECK:STDOUT: %T.as.DefaultOrUnformed.impl.Op.5c0: %T.as.DefaultOrUnformed.impl.Op.type.5f6 = struct_value () [symbolic]
// CHECK:STDOUT: %DefaultOrUnformed.impl_witness.30a: <witness> = impl_witness imports.%DefaultOrUnformed.impl_witness_table.856, @T.as.DefaultOrUnformed.impl(%C) [concrete]
// CHECK:STDOUT: %DefaultOrUnformed.facet: %DefaultOrUnformed.type = facet_value %C, (%DefaultOrUnformed.impl_witness.30a) [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.loc10_3.2 [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.978: %SubobjectDestroy.type = facet_value %C, (%custom_witness.b80ef6.2) [concrete]
// CHECK:STDOUT: %DestroyImpl.impl_witness.1e5: <witness> = impl_witness imports.%DestroyImpl.impl_witness_table, @T.as_type.as.DestroyImpl.impl(%SubobjectDestroy.facet.978) [concrete]
// CHECK:STDOUT: %Destroy.facet: %Destroy.type = facet_value %C, (%DestroyImpl.impl_witness.1e5, %custom_witness.b80ef6.2) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core.import_ref.002: @T.as.DefaultOrUnformed.impl.%T.as.DefaultOrUnformed.impl.Op.type (%T.as.DefaultOrUnformed.impl.Op.type.5f6) = import_ref Core//prelude/parts/default, loc{{\d+_\d+}}, loaded [symbolic = @T.as.DefaultOrUnformed.impl.%T.as.DefaultOrUnformed.impl.Op (constants.%T.as.DefaultOrUnformed.impl.Op.5c0)]
// CHECK:STDOUT: %DefaultOrUnformed.impl_witness_table.856 = impl_witness_table (%Core.import_ref.002), @T.as.DefaultOrUnformed.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: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT: %C.F.decl: %C.F.type = fn_decl @C.F [concrete = constants.%C.F] {
// CHECK:STDOUT: %self.param_patt: %pattern_type.98b = ref_param_pattern [concrete = constants.%self.param_patt.99a]
// CHECK:STDOUT: %self.patt: %pattern_type.98b = wrapper_binding_pattern self, %self.param_patt [concrete = constants.%self.patt.cbd]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %self.param: ref %C = ref_param call_param0
// CHECK:STDOUT: %Self.ref: type = name_ref Self, constants.%C [concrete = constants.%C]
// CHECK:STDOUT: %self: ref %C = wrapper_binding self, %self.param
// CHECK:STDOUT: }
// 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: .F = %C.F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @C.F(%self.param: ref %C);
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %c.var: ref %C = var_storage %c.var_patt
// CHECK:STDOUT: %DefaultOrUnformed.facet: %DefaultOrUnformed.type = facet_value constants.%C, (constants.%DefaultOrUnformed.impl_witness.30a) [concrete = constants.%DefaultOrUnformed.facet]
// CHECK:STDOUT: %.loc10_11.1: %DefaultOrUnformed.type = converted constants.%C, %DefaultOrUnformed.facet [concrete = constants.%DefaultOrUnformed.facet]
// CHECK:STDOUT: %as_type: type = facet_access_type %.loc10_11.1 [concrete = constants.%C]
// CHECK:STDOUT: %.loc10_11.2: type = converted %.loc10_11.1, %as_type [concrete = constants.%C]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %.loc10_3.1: ref %C = splice_block %c.var {}
// CHECK:STDOUT: %T.as.DefaultOrUnformed.impl.Op.call: init %C to %.loc10_3.1 = call %T.as.DefaultOrUnformed.impl.Op.specific_fn()
// CHECK:STDOUT: assign %c.var, %T.as.DefaultOrUnformed.impl.Op.call
// CHECK:STDOUT: %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %c: ref %C = wrapper_binding c, %c.var
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %c.patt: %pattern_type.98b = ref_binding_pattern c [concrete = constants.%c.patt]
// CHECK:STDOUT: %c.var_patt: %pattern_type.98b = var_pattern %c.patt [concrete = constants.%c.var_patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: %c.ref: ref %C = name_ref c, %c
// CHECK:STDOUT: %F.ref: %C.F.type = name_ref F, @C.%C.F.decl [concrete = constants.%C.F]
// CHECK:STDOUT: %C.F.bound: <bound method> = bound_method %c.ref, %F.ref
// CHECK:STDOUT: %C.F.call: init %empty_tuple.type = call %C.F.bound(%c.ref)
// CHECK:STDOUT: %Destroy.facet.loc10_3.1: %Destroy.type = facet_value constants.%C, (constants.%DestroyImpl.impl_witness.1e5, constants.%custom_witness.b80ef6.2) [concrete = constants.%Destroy.facet]
// CHECK:STDOUT: %.loc10_3.2: %Destroy.type = converted constants.%C, %Destroy.facet.loc10_3.1 [concrete = constants.%Destroy.facet]
// CHECK:STDOUT: %Destroy.facet.loc10_3.2: %Destroy.type = facet_value constants.%C, (constants.%DestroyImpl.impl_witness.1e5, constants.%custom_witness.b80ef6.2) [concrete = constants.%Destroy.facet]
// CHECK:STDOUT: %.loc10_3.3: %Destroy.type = converted constants.%C, %Destroy.facet.loc10_3.2 [concrete = constants.%Destroy.facet]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %SelfDestruct.call: init %empty_tuple.type = call %SelfDestruct.specific_fn(%c.var)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @SubobjectDestroy.WithSelf.Op.loc10_3.1(%self.param: ref %empty_struct_type) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @SubobjectDestroy.WithSelf.Op.loc10_3.2(%self.param: ref %C) = "no_op";
// CHECK:STDOUT:
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