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2c9739799b3d3af26bbccc5cf443056706eb6e19
carbon-lang/toolchain/check/testdata/alias/export_name.carbon
T
Chandler Carruth 2c9739799b Render diagnostics through the terminal library (#7683) 
Diagnostic rendering was part of the data model: `Loc::FormatLocation`
and
`Loc::FormatSnippet` wrote plain text to a stream, so no capability,
color, or
terminal width could reach them.

A diagnostic is now one message with labels, contexts, and location
information
attached, and `Diagnostics::Renderer` draws it into a
`Terminal::Buffer`. The
design is in `toolchain/docs/diagnostics_rendering.md` (#7668),
authoring in
`toolchain/docs/diagnostics.md`.

Before:

```
example.carbon:6:3: error: 1 argument passed to function expecting 0 arguments
  Run0(1);
  ^~~~~~~
example.carbon:3:1: note: calling function declared here
fn Run0() {}
^~~~~~~~~~~
```

After:

```
error: 1 argument passed to function expecting 0 arguments
       ╭─┤ example.carbon:6:3
       ┆
     3 │ fn Run0() {}
       · ─────┬─────
       ·      ╰──┤ calling function declared here
       ┆
->   6 │   Run0(1);
       ·   ───────
       ╰────────────
```

`--no-diagnostic-snippets` gives a compact form, `example.carbon:6:3-9`.
File
tests use it; the rendering tests under `toolchain/diagnostics/testdata`
ask for
snippets.

C++ interop diagnostics are data now rather than text Clang drew:
`SemIR::ClangSourceLocId` names a `clang::SourceRange`, and a Clang
location is
marked as the point it names.

`StreamConsumer` moves to a `:renderer` target that `:emitter` does not
depend
on, keeping `common/terminal` out of `consumer.h`. Capabilities come
from the
file behind the error stream, so tests get plain ASCII.

`renderer_fuzzer` draws diagnostics built from fuzzer bytes with every
capability combination, since a shape the renderer doesn't expect must
never be
why the compiler dies while reporting a problem.

TODOs mark the follow-ups: line weights and crossing lines, wrapping
that keeps
a quoted type whole, and ordering diagnostics that share a byte offset.

Also: `IncorrectExtension`'s hint moves into its message, since its note
had no
location of its own, and `strip_noise` in `check_diagnostics.py` blanks
multi-line `#define`s instead of deleting them.

Assisted-by: Claude Code
2026-10-15 06:08:57 +00:00

383 lines
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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
// 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/alias/export_name.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/alias/export_name.carbon
// ============================================================================
// Setup files
// ============================================================================
// --- base.carbon
library "[[@TEST_NAME]]";
class C {}
alias D = C;
// --- export.carbon
library "[[@TEST_NAME]]";
import library "base";
export D;
// --- export_orig.carbon
library "[[@TEST_NAME]]";
import library "base";
export C;
// ============================================================================
// Test files
// ============================================================================
// --- use_export.carbon
library "[[@TEST_NAME]]";
import library "export";
var d: D = {};
// --- fail_orig_name_not_in_export.carbon
library "[[@TEST_NAME]]";
import library "export";
// CHECK:STDERR: fail_orig_name_not_in_export.carbon:[[@LINE+2]]:8: error: name `C` not found [NameNotFound]
// CHECK:STDERR:
var c: C = {};
// --- indirect_compat.carbon
library "[[@TEST_NAME]]";
import library "export";
import library "export_orig";
var c: C = {};
var d: D* = &c;
// CHECK:STDOUT: --- base.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [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: }
// 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: .C = %C.decl
// CHECK:STDOUT: .D = %D
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT: %C.ref: type = name_ref C, %C.decl [concrete = constants.%C]
// CHECK:STDOUT: %D: type = alias_binding D, %C.ref [concrete = constants.%C]
// 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: --- export.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [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: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.C = import_ref Main//base, C, unloaded
// CHECK:STDOUT: %Main.D: type = import_ref Main//base, D, 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//base, loc4_10, loaded [concrete = constants.%complete_type]
// CHECK:STDOUT: %Main.import_ref.e47 = import_ref Main//base, 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: .D = %D
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: %D: type = export D, imports.%Main.D [concrete = constants.%C]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C [from "base.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: --- export_orig.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [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: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.C: type = import_ref Main//base, C, loaded [concrete = constants.%C]
// CHECK:STDOUT: %Main.D = import_ref Main//base, D, unloaded
// 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//base, loc4_10, loaded [concrete = constants.%complete_type]
// CHECK:STDOUT: %Main.import_ref.e47 = import_ref Main//base, inst{{[0-9A-F]+}} [no loc], unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .C = %C
// CHECK:STDOUT: .D = imports.%Main.D
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: %C: type = export C, imports.%Main.C [concrete = constants.%C]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C [from "base.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: --- use_export.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [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: %pattern_type: type = pattern_type %C [concrete]
// CHECK:STDOUT: %d.patt: %pattern_type = ref_binding_pattern d [concrete]
// CHECK:STDOUT: %d.var_patt: %pattern_type = var_pattern %d.patt [concrete]
// CHECK:STDOUT: %empty_struct: %empty_struct_type = struct_value () [concrete]
// CHECK:STDOUT: %C.val: %C = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.D: type = import_ref Main//export, D, 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.8db: <witness> = import_ref Main//export, inst{{[0-9A-F]+}} [indirect], loaded [concrete = constants.%complete_type]
// CHECK:STDOUT: %Main.import_ref.0a8 = import_ref Main//export, inst{{[0-9A-F]+}} [indirect], unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .D = imports.%Main.D
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .d = %d
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: %d.var: ref %C = var_storage %d.var_patt [concrete]
// CHECK:STDOUT: %D.ref: type = name_ref D, imports.%Main.D [concrete = constants.%C]
// CHECK:STDOUT: %d: ref %C = wrapper_binding d, %d.var [concrete = %d.var]
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %d.patt: %pattern_type = ref_binding_pattern d [concrete = constants.%d.patt]
// CHECK:STDOUT: %d.var_patt: %pattern_type = var_pattern %d.patt [concrete = constants.%d.var_patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C [from "export.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 @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc6_13.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc6_13.2: init %C to file.%d.var = class_init () [concrete = constants.%C.val]
// CHECK:STDOUT: %.loc6_1: init %C = converted %.loc6_13.1, %.loc6_13.2 [concrete = constants.%C.val]
// CHECK:STDOUT: assign file.%d.var, %.loc6_1
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_orig_name_not_in_export.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %empty_struct: %empty_struct_type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.D = import_ref Main//export, D, unloaded
// 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: .D = imports.%Main.D
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .C = <poisoned>
// CHECK:STDOUT: .c = %c
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: %c.var: ref <error> = var_storage %c.var_patt [concrete = <error>]
// CHECK:STDOUT: %C.ref: <error> = name_ref C, <error> [concrete = <error>]
// CHECK:STDOUT: %c: <error> = wrapper_binding c, <error> [concrete = <error>]
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %c.patt: <error> = ref_binding_pattern c [concrete = <error>]
// CHECK:STDOUT: %c.var_patt: <error> = var_pattern %c.patt [concrete = <error>]
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc8: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
// CHECK:STDOUT: assign file.%c.var, <error>
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- indirect_compat.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type.357: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %pattern_type.98b: type = pattern_type %C [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: %empty_struct: %empty_struct_type = struct_value () [concrete]
// CHECK:STDOUT: %C.val: %C = struct_value () [concrete]
// CHECK:STDOUT: %ptr.6b6: type = ptr_type %C [concrete]
// CHECK:STDOUT: %pattern_type.fcb: type = pattern_type %ptr.6b6 [concrete]
// CHECK:STDOUT: %d.patt: %pattern_type.fcb = ref_binding_pattern d [concrete]
// CHECK:STDOUT: %d.var_patt: %pattern_type.fcb = var_pattern %d.patt [concrete]
// CHECK:STDOUT: %addr: %ptr.6b6 = addr_of file.%c.var [concrete]
// CHECK:STDOUT: %Copy.type: type = facet_type <@Copy> [concrete]
// CHECK:STDOUT: %T.67d: type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.type.20f: type = fn_type @ptr.as.Copy.impl.Op, @ptr.as.Copy.impl(%T.67d) [symbolic]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.f12: %ptr.as.Copy.impl.Op.type.20f = struct_value () [symbolic]
// CHECK:STDOUT: %Copy.impl_witness.2f3: <witness> = impl_witness imports.%Copy.impl_witness_table.fb0, @ptr.as.Copy.impl(%C) [concrete]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.type.772: type = fn_type @ptr.as.Copy.impl.Op, @ptr.as.Copy.impl(%C) [concrete]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.c88: %ptr.as.Copy.impl.Op.type.772 = struct_value () [concrete]
// CHECK:STDOUT: %Copy.facet: %Copy.type = facet_value %ptr.6b6, (%Copy.impl_witness.2f3) [concrete]
// CHECK:STDOUT: %Copy.WithSelf.Op.type.7ed: type = fn_type @Copy.WithSelf.Op, @Copy.WithSelf(%Copy.facet) [concrete]
// CHECK:STDOUT: %.dea: type = fn_type_with_self_type %Copy.WithSelf.Op.type.7ed, %Copy.facet [concrete]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.bound: <bound method> = bound_method %addr, %ptr.as.Copy.impl.Op.c88 [concrete]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %ptr.as.Copy.impl.Op.c88, @ptr.as.Copy.impl.Op(%C) [concrete]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %addr, %ptr.as.Copy.impl.Op.specific_fn [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.D: type = import_ref Main//export, D, loaded [concrete = constants.%C]
// CHECK:STDOUT: %Main.C: type = import_ref Main//export_orig, C, loaded [concrete = constants.%C]
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Copy = %Core.Copy
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Main.import_ref.8db: <witness> = import_ref Main//export_orig, inst{{[0-9A-F]+}} [indirect], loaded [concrete = constants.%complete_type.357]
// CHECK:STDOUT: %Main.import_ref.0a8 = import_ref Main//export_orig, inst{{[0-9A-F]+}} [indirect], unloaded
// CHECK:STDOUT: %Core.Copy: type = import_ref Core//prelude/parts/copy, Copy, loaded [concrete = constants.%Copy.type]
// CHECK:STDOUT: %Core.import_ref.06a: @ptr.as.Copy.impl.%ptr.as.Copy.impl.Op.type (%ptr.as.Copy.impl.Op.type.20f) = import_ref Core//prelude/parts/copy, loc{{\d+_\d+}}, loaded [symbolic = @ptr.as.Copy.impl.%ptr.as.Copy.impl.Op (constants.%ptr.as.Copy.impl.Op.f12)]
// CHECK:STDOUT: %Copy.impl_witness_table.fb0 = impl_witness_table (%Core.import_ref.06a), @ptr.as.Copy.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .D = imports.%Main.D
// CHECK:STDOUT: .C = imports.%Main.C
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .c = %c
// CHECK:STDOUT: .d = %d
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: %c.var: ref %C = var_storage %c.var_patt [concrete]
// CHECK:STDOUT: %C.ref: type = name_ref C, imports.%Main.C [concrete = constants.%C]
// CHECK:STDOUT: %c: ref %C = wrapper_binding c, %c.var [concrete = %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: %d.var: ref %ptr.6b6 = var_storage %d.var_patt [concrete]
// CHECK:STDOUT: %.loc8: type = splice_block %ptr [concrete = constants.%ptr.6b6] {
// CHECK:STDOUT: %D.ref: type = name_ref D, imports.%Main.D [concrete = constants.%C]
// CHECK:STDOUT: %ptr: type = ptr_type %D.ref [concrete = constants.%ptr.6b6]
// CHECK:STDOUT: }
// CHECK:STDOUT: %d: ref %ptr.6b6 = wrapper_binding d, %d.var [concrete = %d.var]
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %d.patt: %pattern_type.fcb = ref_binding_pattern d [concrete = constants.%d.patt]
// CHECK:STDOUT: %d.var_patt: %pattern_type.fcb = var_pattern %d.patt [concrete = constants.%d.var_patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C [from "export_orig.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 @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc7_13.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc7_13.2: init %C to file.%c.var = class_init () [concrete = constants.%C.val]
// CHECK:STDOUT: %.loc7_1: init %C = converted %.loc7_13.1, %.loc7_13.2 [concrete = constants.%C.val]
// CHECK:STDOUT: assign file.%c.var, %.loc7_1
// CHECK:STDOUT: %c.ref: ref %C = name_ref c, file.%c [concrete = file.%c.var]
// CHECK:STDOUT: %addr: %ptr.6b6 = addr_of %c.ref [concrete = constants.%addr]
// CHECK:STDOUT: %impl.elem0: %.dea = impl_witness_access constants.%Copy.impl_witness.2f3, element0 [concrete = constants.%ptr.as.Copy.impl.Op.c88]
// CHECK:STDOUT: %bound_method.loc8_13.1: <bound method> = bound_method %addr, %impl.elem0 [concrete = constants.%ptr.as.Copy.impl.Op.bound]
// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @ptr.as.Copy.impl.Op(constants.%C) [concrete = constants.%ptr.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc8_13.2: <bound method> = bound_method %addr, %specific_fn [concrete = constants.%bound_method]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.call: init %ptr.6b6 = call %bound_method.loc8_13.2(%addr) [concrete = constants.%addr]
// CHECK:STDOUT: assign file.%d.var, %ptr.as.Copy.impl.Op.call
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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