xref: /llvm-project/clang/test/C/drs/dr253.c (revision f9ead46931aef2978ddf350ba6523638175d7861)
1 /* RUN: %clang_cc1 -std=c89 -ast-dump -o -  %s | FileCheck %s
2    RUN: %clang_cc1 -std=c99 -ast-dump -o -  %s | FileCheck %s
3    RUN: %clang_cc1 -std=c11 -ast-dump -o -  %s | FileCheck %s
4    RUN: %clang_cc1 -std=c17 -ast-dump -o -  %s | FileCheck %s
5    RUN: %clang_cc1 -std=c2x -ast-dump -o -  %s | FileCheck %s
6  */
7 
8 /* WG14 DR253: yes
9  * "overriding" in designated initializers
10  */
11 struct fred {
12   char s [6];
13   int n;
14 };
15 
16 struct fred y [] = { { { "abc" }, 1 }, [0] = { .s[0] = 'q' } };
17 
18 /* Ensure that y[0] is initialized as if by the initializer { 'q' }. */
19 
20 // CHECK: VarDecl 0x{{.*}} <line:16:1, col:62> col:13 y 'struct fred[1]' cinit
21 // CHECK-NEXT: InitListExpr 0x{{.*}} <col:20, col:62> 'struct fred[1]'
22 // CHECK-NEXT: InitListExpr 0x{{.*}} <col:46, col:60> 'struct fred'
23 // CHECK-NEXT: InitListExpr 0x{{.*}} <col:50, col:56> 'char[6]'
24 // CHECK-NEXT: array_filler
25 // CHECK-NEXT: ImplicitCastExpr
26 // CHECK-NEXT: CharacterLiteral 0x{{.*}} <col:56> 'int' 113
27 // CHECK-NEXT: ImplicitValueInitExpr 0x{{.*}} <<invalid sloc>> 'int'
28