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carbon-lang/toolchain/check/testdata/interop/cpp/namespace/import.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

579 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/primitives.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interop/cpp/namespace/import.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/namespace/import.carbon
// ============================================================================
// Single
// ============================================================================
// --- single.h
namespace my_namespace {
void foo();
void bar();
}
// --- import_single.carbon
library "[[@TEST_NAME]]";
import Cpp library "single.h";
fn MyF() {
//@dump-sem-ir-begin
Cpp.my_namespace.foo();
//@dump-sem-ir-end
}
// --- fail_import_namespace_wrong_member_name.carbon
library "[[@TEST_NAME]]";
import Cpp library "single.h";
fn MyF() {
// CHECK:STDERR: fail_import_namespace_wrong_member_name.carbon:[[@LINE+2]]:3-26: error: member name `not_foo` not found in `Cpp.my_namespace` [MemberNameNotFoundInInstScope]
// CHECK:STDERR:
Cpp.my_namespace.not_foo();
}
// --- fail_import_namespace_wrong_name.carbon
library "[[@TEST_NAME]]";
import Cpp library "single.h";
fn MyF() {
// CHECK:STDERR: fail_import_namespace_wrong_name.carbon:[[@LINE+2]]:3-22: error: member name `not_my_namespace` not found in `Cpp` [MemberNameNotFoundInInstScope]
// CHECK:STDERR:
Cpp.not_my_namespace.foo();
}
// ============================================================================
// Multiple
// ============================================================================
// --- multiple.h
namespace my_namespace1 {
void foo1();
namespace my_namespace2 {
void foo2();
namespace my_namespace3 {
void foo3();
}
}
}
// --- import_multiple.carbon
library "[[@TEST_NAME]]";
import Cpp library "multiple.h";
fn MyF() {
//@dump-sem-ir-begin
Cpp.my_namespace1.foo1();
Cpp.my_namespace1.my_namespace2.foo2();
Cpp.my_namespace1.my_namespace2.my_namespace3.foo3();
//@dump-sem-ir-end
}
// ============================================================================
// Inline namespace
// ============================================================================
// --- inline.h
inline namespace { namespace N { inline namespace { void foo() {} } } }
// --- import_inline.carbon
library "[[@TEST_NAME]]";
import Cpp library "inline.h";
fn MyF() {
//@dump-sem-ir-begin
Cpp.N.foo();
//@dump-sem-ir-end
}
// ============================================================================
// Inline namespace triggers ambiguity
// ============================================================================
// --- inline_ambiguity.h
namespace N { void foo(); }
inline namespace { namespace N {} }
// --- fail_import_inline_ambiguity.carbon
library "[[@TEST_NAME]]";
import Cpp library "inline_ambiguity.h";
fn MyF() {
// Artificially create an error message here so that the first error line for
// this file (which otherwise has no source location) is associated with this
// file split.
// TODO: Pass a location into Clang when performing C++ name lookup so that
// its error has a location attached.
// CHECK:STDERR: fail_import_inline_ambiguity.carbon:[[@LINE+6]]:3-7: error: name `error` not found [NameNotFound]
// CHECK:STDERR:
// CHECK:STDERR: error: reference to 'N' is ambiguous [CppInteropParseError]
// CHECK:STDERR: included from: fail_import_inline_ambiguity.carbon:[[@LINE-11]]:10 [InCppInclude]
// CHECK:STDERR: ./inline_ambiguity.h:2:11: note: candidate found by name lookup is 'N' [CppInteropParseNote]
// CHECK:STDERR: ./inline_ambiguity.h:3:30: note: candidate found by name lookup is '(anonymous namespace)::N' [CppInteropParseNote]
error;
// CHECK:STDERR: fail_import_inline_ambiguity.carbon:[[@LINE+2]]:3-7: note: in `Cpp` name lookup for `N` [InCppNameLookup]
// CHECK:STDERR:
Cpp.N.foo();
}
// ============================================================================
// Inline namespace ambiguity not triggered
// ============================================================================
// --- inline_ambiguity_not_triggered.h
namespace N { struct X {}; }
auto foo() -> N::X;
inline namespace { namespace N {} }
// --- import_inline_ambiguity_not_triggered.carbon
library "[[@TEST_NAME]]";
import Cpp library "inline_ambiguity_not_triggered.h";
fn MyF() {
//@dump-sem-ir-begin
Cpp.foo();
//@dump-sem-ir-end
}
// ============================================================================
// Carbon keyword name
// ============================================================================
// --- special_name.h
namespace base { void foo(); }
// --- fail_import_special_name_call_unescpaed.carbon
library "[[@TEST_NAME]]";
import Cpp library "special_name.h";
fn MyF() {
// CHECK:STDERR: fail_import_special_name_call_unescpaed.carbon:[[@LINE+2]]:3-10: error: member name `base` not found in `Cpp` [MemberNameNotFoundInInstScope]
// CHECK:STDERR:
Cpp.base.foo();
}
// --- import_special_name_call_escpaed.carbon
library "[[@TEST_NAME]]";
import Cpp library "special_name.h";
fn MyF() {
//@dump-sem-ir-begin
Cpp.r#base.foo();
//@dump-sem-ir-end
}
// ============================================================================
// Nested namespaces.
// ============================================================================
// --- nested.carbon
library "[[@TEST_NAME]]";
import Cpp inline '''
namespace A {
namespace B {
namespace C {
struct X { int n; };
}
}
}
struct Y {
A::B::C::X x;
};
''';
fn Use(y: Cpp.Y) -> i32 {
return y.x.n;
}
// ============================================================================
// Import C++ namespace indirectly
// ============================================================================
// --- namespace_alias.carbon
library "[[@TEST_NAME]]";
import Cpp library "single.h";
alias MyNamespaceAlias = Cpp.my_namespace;
fn CallFoo() {
MyNamespaceAlias.foo();
}
// --- fail_indirect_namespace_no_import.carbon
library "[[@TEST_NAME]]";
// CHECK:STDERR: imported from: fail_indirect_namespace_no_import.carbon:[[@LINE+6]]:1 [InImport]
// CHECK:STDERR: namespace_alias.carbon:4:1-30: error: semantics TODO: `indirect import of C++ declaration with no direct Cpp import` [SemanticsTodo]
// CHECK:STDERR:
// CHECK:STDERR: imported from: fail_indirect_namespace_no_import.carbon:[[@LINE+3]]:1 [InImport]
// CHECK:STDERR: namespace_alias.carbon: error: semantics TODO: `indirect import of C++ declaration with no direct Cpp import` [SemanticsTodo]
// CHECK:STDERR:
import library "namespace_alias";
fn F() {
// Imports are not implicitly re-exported, so lookup is expected to fail,
// regardless of whether a lookup was performed in the imported file.
// CHECK:STDERR: fail_indirect_namespace_no_import.carbon:[[@LINE+2]]:3-22: error: member name `foo` not found in `Cpp.my_namespace` [MemberNameNotFoundInInstScope]
// CHECK:STDERR:
MyNamespaceAlias.foo();
// CHECK:STDERR: fail_indirect_namespace_no_import.carbon:[[@LINE+2]]:3-22: error: member name `bar` not found in `Cpp.my_namespace` [MemberNameNotFoundInInstScope]
// CHECK:STDERR:
MyNamespaceAlias.bar();
}
// --- fail_indirect_namespace_no_local_decl.carbon
library "[[@TEST_NAME]]";
// CHECK:STDERR: imported from: fail_indirect_namespace_no_local_decl.carbon:[[@LINE+3]]:1 [InImport]
// CHECK:STDERR: namespace_alias.carbon: error: semantics TODO: `use of imported C++ declaration with no corresponding local import` [SemanticsTodo]
// CHECK:STDERR:
import library "namespace_alias";
import Cpp;
fn F() {
// Imports are not implicitly re-exported, so name lookup is expected to
// fail, regardless of whether a lookup was performed in the imported file.
// CHECK:STDERR: fail_indirect_namespace_no_local_decl.carbon:[[@LINE+2]]:3-22: error: member name `foo` not found in `Cpp.my_namespace` [MemberNameNotFoundInInstScope]
// CHECK:STDERR:
MyNamespaceAlias.foo();
// CHECK:STDERR: fail_indirect_namespace_no_local_decl.carbon:[[@LINE+2]]:3-22: error: member name `bar` not found in `Cpp.my_namespace` [MemberNameNotFoundInInstScope]
// CHECK:STDERR:
MyNamespaceAlias.bar();
}
// --- indirect_namespace_same_contents.carbon
library "[[@TEST_NAME]]";
import library "namespace_alias";
import Cpp library "single.h";
fn F() {
// OK, MyNamespaceAlias is an alias for Cpp.my_namespace.
MyNamespaceAlias.foo();
MyNamespaceAlias.bar();
}
// --- fail_indirect_namespace_different_contents_invalid.carbon
library "[[@TEST_NAME]]";
import library "namespace_alias";
import Cpp;
inline Cpp '''
namespace my_namespace {
void bar();
}
''';
fn F() {
// Cpp imports are not implicitly re-exported, so name lookup is expected to
// fail.
// CHECK:STDERR: fail_indirect_namespace_different_contents_invalid.carbon:[[@LINE+2]]:3-22: error: member name `foo` not found in `Cpp.my_namespace` [MemberNameNotFoundInInstScope]
// CHECK:STDERR:
MyNamespaceAlias.foo();
}
// --- indirect_namespace_different_contents.carbon
library "[[@TEST_NAME]]";
import library "namespace_alias";
import Cpp;
inline Cpp '''
namespace my_namespace {
void bar();
void baz();
}
''';
fn F() {
// OK, bar is visible here and is found in MyNamespaceAlias, which is an alias
// for Cpp.my_namespace.
MyNamespaceAlias.bar();
MyNamespaceAlias.baz();
}
// CHECK:STDOUT: --- import_single.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.type: type = cpp_overload_set_type @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .my_namespace = %my_namespace
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %my_namespace: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .foo = %foo.cpp_overload_set.value
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MyF() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %my_namespace.ref: <namespace> = name_ref my_namespace, imports.%my_namespace [concrete = imports.%my_namespace]
// CHECK:STDOUT: %foo.ref: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call imports.%foo.decl()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_multiple.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %foo1.cpp_overload_set.type: type = cpp_overload_set_type @foo1.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo1.cpp_overload_set.value: %foo1.cpp_overload_set.type = cpp_overload_set_value @foo1.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo1.type: type = fn_type @foo1 [concrete]
// CHECK:STDOUT: %foo1: %foo1.type = struct_value () [concrete]
// CHECK:STDOUT: %foo2.cpp_overload_set.type: type = cpp_overload_set_type @foo2.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo2.cpp_overload_set.value: %foo2.cpp_overload_set.type = cpp_overload_set_value @foo2.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo2.type: type = fn_type @foo2 [concrete]
// CHECK:STDOUT: %foo2: %foo2.type = struct_value () [concrete]
// CHECK:STDOUT: %foo3.cpp_overload_set.type: type = cpp_overload_set_type @foo3.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo3.cpp_overload_set.value: %foo3.cpp_overload_set.type = cpp_overload_set_value @foo3.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo3.type: type = fn_type @foo3 [concrete]
// CHECK:STDOUT: %foo3: %foo3.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .my_namespace1 = %my_namespace1
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %my_namespace1: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .foo1 = %foo1.cpp_overload_set.value
// CHECK:STDOUT: .my_namespace2 = %my_namespace2
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %foo1.cpp_overload_set.value: %foo1.cpp_overload_set.type = cpp_overload_set_value @foo1.cpp_overload_set [concrete = constants.%foo1.cpp_overload_set.value]
// CHECK:STDOUT: %foo1.decl: %foo1.type = fn_decl @foo1 [concrete = constants.%foo1] {} {}
// CHECK:STDOUT: %my_namespace2: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .foo2 = %foo2.cpp_overload_set.value
// CHECK:STDOUT: .my_namespace3 = %my_namespace3
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %foo2.cpp_overload_set.value: %foo2.cpp_overload_set.type = cpp_overload_set_value @foo2.cpp_overload_set [concrete = constants.%foo2.cpp_overload_set.value]
// CHECK:STDOUT: %foo2.decl: %foo2.type = fn_decl @foo2 [concrete = constants.%foo2] {} {}
// CHECK:STDOUT: %my_namespace3: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .foo3 = %foo3.cpp_overload_set.value
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %foo3.cpp_overload_set.value: %foo3.cpp_overload_set.type = cpp_overload_set_value @foo3.cpp_overload_set [concrete = constants.%foo3.cpp_overload_set.value]
// CHECK:STDOUT: %foo3.decl: %foo3.type = fn_decl @foo3 [concrete = constants.%foo3] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MyF() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc8: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %my_namespace1.ref.loc8: <namespace> = name_ref my_namespace1, imports.%my_namespace1 [concrete = imports.%my_namespace1]
// CHECK:STDOUT: %foo1.ref: %foo1.cpp_overload_set.type = name_ref foo1, imports.%foo1.cpp_overload_set.value [concrete = constants.%foo1.cpp_overload_set.value]
// CHECK:STDOUT: %foo1.call: init %empty_tuple.type = call imports.%foo1.decl()
// CHECK:STDOUT: %Cpp.ref.loc9: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %my_namespace1.ref.loc9: <namespace> = name_ref my_namespace1, imports.%my_namespace1 [concrete = imports.%my_namespace1]
// CHECK:STDOUT: %my_namespace2.ref.loc9: <namespace> = name_ref my_namespace2, imports.%my_namespace2 [concrete = imports.%my_namespace2]
// CHECK:STDOUT: %foo2.ref: %foo2.cpp_overload_set.type = name_ref foo2, imports.%foo2.cpp_overload_set.value [concrete = constants.%foo2.cpp_overload_set.value]
// CHECK:STDOUT: %foo2.call: init %empty_tuple.type = call imports.%foo2.decl()
// CHECK:STDOUT: %Cpp.ref.loc10: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %my_namespace1.ref.loc10: <namespace> = name_ref my_namespace1, imports.%my_namespace1 [concrete = imports.%my_namespace1]
// CHECK:STDOUT: %my_namespace2.ref.loc10: <namespace> = name_ref my_namespace2, imports.%my_namespace2 [concrete = imports.%my_namespace2]
// CHECK:STDOUT: %my_namespace3.ref: <namespace> = name_ref my_namespace3, imports.%my_namespace3 [concrete = imports.%my_namespace3]
// CHECK:STDOUT: %foo3.ref: %foo3.cpp_overload_set.type = name_ref foo3, imports.%foo3.cpp_overload_set.value [concrete = constants.%foo3.cpp_overload_set.value]
// CHECK:STDOUT: %foo3.call: init %empty_tuple.type = call imports.%foo3.decl()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_inline.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.type: type = cpp_overload_set_type @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .N = %N
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %N: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .foo = %foo.cpp_overload_set.value
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MyF() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %N.ref: <namespace> = name_ref N, imports.%N [concrete = imports.%N]
// CHECK:STDOUT: %foo.ref: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call imports.%foo.decl()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_inline_ambiguity_not_triggered.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.type: type = cpp_overload_set_type @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %X: type = class_type @X [concrete]
// CHECK:STDOUT: %pattern_type.b98: type = pattern_type %X [concrete]
// CHECK:STDOUT: %ptr.614: type = ptr_type %X [concrete]
// CHECK:STDOUT: %foo__carbon_thunk.type: type = fn_type @foo__carbon_thunk [concrete]
// CHECK:STDOUT: %foo__carbon_thunk: %foo__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %self.param_patt.3ec: %pattern_type.b98 = ref_param_pattern [concrete]
// CHECK:STDOUT: %self.patt.200: %pattern_type.b98 = wrapper_binding_pattern self, %self.param_patt.3ec [concrete]
// CHECK:STDOUT: %X.cpp_destructor.type: type = fn_type @X.cpp_destructor [concrete]
// CHECK:STDOUT: %X.cpp_destructor: %X.cpp_destructor.type = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.type.ef0: type = fn_type @Destroy.WithSelf.Op.loc8 [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.403: %Destroy.WithSelf.Op.type.ef0 = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.type.fbc: type = fn_type @Destroy.WithSelf.SelfDestruct.loc8 [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.db3: %Destroy.WithSelf.SelfDestruct.type.fbc = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = %foo.cpp_overload_set.value
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo__carbon_thunk.decl: %foo__carbon_thunk.type = fn_decl @foo__carbon_thunk [concrete = constants.%foo__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %X.cpp_destructor.decl: %X.cpp_destructor.type = fn_decl @X.cpp_destructor [concrete = constants.%X.cpp_destructor] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generated {
// CHECK:STDOUT: %Destroy.WithSelf.Op.decl: %Destroy.WithSelf.Op.type.ef0 = fn_decl @Destroy.WithSelf.Op.loc8 [concrete = constants.%Destroy.WithSelf.Op.403] {
// CHECK:STDOUT: %self.param_patt: %pattern_type.b98 = ref_param_pattern [concrete = constants.%self.param_patt.3ec]
// CHECK:STDOUT: %self.patt: %pattern_type.b98 = wrapper_binding_pattern self, %self.param_patt [concrete = constants.%self.patt.200]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %self.param: ref %X = ref_param call_param0
// CHECK:STDOUT: %self: ref %X = wrapper_binding self, %self.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MyF() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %.loc8_11.1: ref %X = temporary_storage
// CHECK:STDOUT: %addr: %ptr.614 = addr_of %.loc8_11.1
// CHECK:STDOUT: %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
// CHECK:STDOUT: %.loc8_11.2: init %X to %.loc8_11.1 = mark_in_place_init %foo__carbon_thunk.call
// CHECK:STDOUT: %.loc8_11.3: ref %X = temporary %.loc8_11.1, %.loc8_11.2
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.bound: <bound method> = bound_method %.loc8_11.3, constants.%Destroy.WithSelf.SelfDestruct.db3
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.call: init %empty_tuple.type = call %Destroy.WithSelf.SelfDestruct.bound(%.loc8_11.3)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.WithSelf.Op.loc8(%self.param: ref %X) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.WithSelf.SelfDestruct.loc8(%self.param: ref %X) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Destroy.WithSelf.Op.call: init %empty_tuple.type = call generated.%Destroy.WithSelf.Op.decl(%self.param)
// CHECK:STDOUT: %X.cpp_destructor.call: init %empty_tuple.type = call imports.%X.cpp_destructor.decl(%self.param)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_special_name_call_escpaed.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.type: type = cpp_overload_set_type @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .r#base = %base
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %base: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .foo = %foo.cpp_overload_set.value
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MyF() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %base.ref: <namespace> = name_ref r#base, imports.%base [concrete = imports.%base]
// CHECK:STDOUT: %foo.ref: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call imports.%foo.decl()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
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