1 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -ast-dump %s | FileCheck -strict-whitespace %s
2
3 namespace a {
4 struct S;
5 template <typename T> T x = {};
6 }
7 namespace b {
8 using a::S;
9 // CHECK: UsingDecl {{.*}} a::S
10 // CHECK-NEXT: | `-NestedNameSpecifier Namespace {{.*}} 'a'
11 // CHECK-NEXT: UsingShadowDecl {{.*}} implicit CXXRecord {{.*}} 'S'
12 // CHECK-NEXT: `-RecordType {{.*}} 'a::S'
13 typedef S f; // to dump the introduced type
14 // CHECK: TypedefDecl
15 // CHECK-NEXT: `-ElaboratedType {{.*}} 'S' sugar
16 // CHECK-NEXT: `-UsingType [[TYPE_ADDR:.*]] 'a::S' sugar
17 // CHECK-NEXT: |-UsingShadow [[SHADOW_ADDR:.*]] 'S'
18 // CHECK-NEXT: `-RecordType {{.*}} 'a::S'
19 typedef S e; // check the same UsingType is reused.
20 // CHECK: TypedefDecl
21 // CHECK-NEXT: `-ElaboratedType {{.*}} 'S' sugar
22 // CHECK-NEXT: `-UsingType [[TYPE_ADDR]] 'a::S' sugar
23 // CHECK-NEXT: |-UsingShadow [[SHADOW_ADDR]] 'S'
24 // CHECK-NEXT: `-RecordType {{.*}} 'a::S'
25 using a::x;
26
foo()27 void foo() {
28 x<int> = 3;
29 // CHECK: DeclRefExpr {{.*}} 'x' {{.*}} (UsingShadow {{.*}} 'x')
30 }
31 }
32