20 lines · c
1// Check for warnings in non-C11 mode:2// RUN: %clang_cc1 -fsyntax-only -std=c99 -verify -Wc11-extensions %s3 4// Expect no warnings in C11 mode:5// RUN: %clang_cc1 -fsyntax-only -std=c11 -pedantic -Werror %s6 7struct s {8 int a;9 struct { // expected-warning{{anonymous structs are a C11 extension}}10 int b;11 };12};13 14struct t {15 int a;16 union { // expected-warning{{anonymous unions are a C11 extension}}17 int b;18 };19};20