1 // Check for warnings in non-C11 mode:
2 // RUN: %clang_cc1 -fsyntax-only -verify -Wc11-extensions %s
3 
4 // Expect no warnings in C11 mode:
5 // RUN: %clang_cc1 -fsyntax-only -pedantic -Werror -std=c11 %s
6 
7 struct s {
8   int a;
9   struct { // expected-warning{{anonymous structs are a C11 extension}}
10     int b;
11   };
12 };
13 
14 struct t {
15   int a;
16   union { // expected-warning{{anonymous unions are a C11 extension}}
17     int b;
18   };
19 };
20