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[NFC] [clang] add test for merging of UsingShadowDecl
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| // RUN: rm -rf %t | ||
| // RUN: split-file %s %t | ||
| // RUN: cd %t | ||
| // | ||
| // RUN: %clang_cc1 -std=c++20 -I %t %t/A.cppm -emit-module-interface -o %t/A.pcm -verify | ||
| // RUN: %clang_cc1 -std=c++20 -I %t %t/B.cpp -fmodule-file=A=%t/A.pcm -fsyntax-only -verify -ast-dump-all -ast-dump-filter baz | FileCheck %s | ||
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| //--- foo.h | ||
| namespace baz { | ||
| using foo = char; | ||
| using baz::foo; | ||
| } | ||
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| //--- A.cppm | ||
| // expected-no-diagnostics | ||
| module; | ||
| #include "foo.h" | ||
| export module A; | ||
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| //--- B.cpp | ||
| // expected-no-diagnostics | ||
| #include "foo.h" | ||
| import A; | ||
| // Since modules are loaded lazily, force loading by performing a lookup. | ||
| using xxx = baz::foo; | ||
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| // CHECK-LABEL: Dumping baz: | ||
| // CHECK-NEXT: NamespaceDecl 0x[[BAZ_REDECL_ADDR:[^ ]*]] prev 0x[[BAZ_ADDR:[^ ]*]] <{{.*}}> line:{{.*}} imported in A.<global> hidden <undeserialized declarations> baz | ||
| // CHECK-NEXT: |-original Namespace 0x[[BAZ_ADDR]] 'baz' | ||
| // CHECK-NEXT: |-TypeAliasDecl 0x[[ALIAS_REDECL_ADDR:[^ ]*]] prev 0x[[ALIAS_ADDR:[^ ]*]] <{{.*}}> col:{{.*}} imported in A.<global> hidden foo 'char' | ||
| // CHECK-NEXT: | `-BuiltinType 0x{{[^ ]*}} 'char' | ||
| // CHECK-NEXT: |-UsingDecl 0x{{[^ ]*}} first 0x[[USING_ADDR:[^ ]*]] <{{.*}}> col:{{.*}} imported in A.<global> hidden baz::foo | ||
| // CHECK-NEXT: | `-NestedNameSpecifier Namespace 0x[[BAZ_REDECL_ADDR]] 'baz' | ||
| // FIXME: UsingShadowDecl should have been merged | ||
| // CHECK-NOT: `-UsingShadowDecl 0x{{[^ ]*}} prev 0x{{[^ ]*}} <{{.*}}> col:{{.*}} imported in A.<global> hidden implicit TypeAlias 0x[[ALIAS_REDECL_ADDR]] 'foo' | ||
| // CHECK-NEXT: `-UsingShadowDecl 0x{{[^ ]*}} <{{.*}}> col:{{.*}} imported in A.<global> hidden implicit TypeAlias 0x[[ALIAS_REDECL_ADDR]] 'foo' | ||
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| // CHECK-LABEL: Dumping baz: | ||
| // CHECK-NEXT: NamespaceDecl 0x[[BAZ_ADDR]] <{{.*}}> line:{{.*}} baz | ||
| // CHECK-NEXT: |-TypeAliasDecl 0x[[ALIAS_ADDR]] <{{.*}}> col:{{.*}} referenced foo 'char' | ||
| // CHECK-NEXT: | `-BuiltinType 0x{{[^ ]*}} 'char' | ||
| // CHECK-NEXT: |-UsingDecl 0x[[USING_ADDR]] <{{.*}}> col:{{.*}} baz::foo | ||
| // CHECK-NEXT: | `-NestedNameSpecifier Namespace 0x[[BAZ_ADDR]] 'baz' | ||
| // CHECK-NEXT: `-UsingShadowDecl 0x[[SHADOW_ADDR:[^ ]*]] <{{.*}}> col:{{.*}} implicit TypeAlias 0x[[ALIAS_ADDR]] 'foo' |