1// Test that -Wsystem-headers works with default and custom mappings like -Werror. 2// Keep run lines at the bottom for line number stability. 3 4#ifdef IS_SYSHEADER 5#pragma clang system_header 6 7int f() { return (int)0; } // Use the old-style-cast warning as an arbitrary "ordinary" diagnostic for the purpose of testing. 8 9#warning "custom message" 10 11#if defined(A) || defined(B) 12// expected-warning@9 {{"custom message"}} 13#elif defined(C) 14// expected-warning@7 {{use of old-style cast}} 15// expected-warning@9 {{"custom message"}} 16#elif defined(D) 17// expected-error@7 {{use of old-style cast}} 18// expected-error@9 {{"custom message"}} 19#elif defined(E) 20// expected-error@7 {{use of old-style cast}} 21// expected-warning@9 {{"custom message"}} 22#endif 23 24#else 25#define IS_SYSHEADER 26#include __FILE__ 27#endif 28 29// RUN: %clang_cc1 -verify -fsyntax-only -DA %s 30// RUN: %clang_cc1 -verify -fsyntax-only -DB -Wold-style-cast %s 31// RUN: %clang_cc1 -verify -fsyntax-only -DC -Wold-style-cast -Wsystem-headers %s 32// RUN: %clang_cc1 -verify -fsyntax-only -DD -Wold-style-cast -Wsystem-headers -Werror %s 33// RUN: %clang_cc1 -verify -fsyntax-only -DE -Wold-style-cast -Wsystem-headers -Werror=old-style-cast %s 34