1*67e74705SXin Li // Check for warnings in non-C11 mode: 2*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -std=c99 -verify -Wc11-extensions %s 3*67e74705SXin Li 4*67e74705SXin Li // Expect no warnings in C11 mode: 5*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -std=c11 -pedantic -Werror %s 6*67e74705SXin Li 7*67e74705SXin Li struct s { 8*67e74705SXin Li int a; 9*67e74705SXin Li struct { // expected-warning{{anonymous structs are a C11 extension}} 10*67e74705SXin Li int b; 11*67e74705SXin Li }; 12*67e74705SXin Li }; 13*67e74705SXin Li 14*67e74705SXin Li struct t { 15*67e74705SXin Li int a; 16*67e74705SXin Li union { // expected-warning{{anonymous unions are a C11 extension}} 17*67e74705SXin Li int b; 18*67e74705SXin Li }; 19*67e74705SXin Li }; 20