| // RUN: %clang_cc1 -fsyntax-only -Wframe-address -verify %s |
| // RUN: %clang_cc1 -fsyntax-only -Wmost -verify %s |
| // RUN: %clang_cc1 -x c++ -fsyntax-only -Wframe-address -verify %s |
| |
| void* a(unsigned x) { |
| return __builtin_return_address(0); |
| } |
| |
| void* b(unsigned x) { |
| return __builtin_return_address(1); // expected-warning{{calling '__builtin_return_address' with a nonzero argument is unsafe}} |
| } |
| |
| void* c(unsigned x) { |
| return __builtin_frame_address(0); |
| } |
| |
| void* d(unsigned x) { |
| return __builtin_frame_address(1); // expected-warning{{calling '__builtin_frame_address' with a nonzero argument is unsafe}} |
| } |
| |
| #ifdef __cplusplus |
| template<int N> void *RA() |
| { |
| return __builtin_return_address(N); // expected-warning{{calling '__builtin_return_address' with a nonzero argument is unsafe}} |
| } |
| |
| void *foo() |
| { |
| return RA<2>(); // expected-note{{in instantiation of function template specialization 'RA<2>' requested here}} |
| } |
| #endif |