clang/test/Headers/stdatomic-deprecations.c

   1 // RUN: %clang_cc1 -fsyntax-only -std=c11 %s -verify=okay
   2 // RUN: %clang_cc1 -fsyntax-only -std=c17 %s -verify
   3 // RUN: %clang_cc1 -fsyntax-only -std=c++11 -x c++ %s -verify=okay
   4 // RUN: %clang_cc1 -fsyntax-only -std=c++20 -x c++ %s -verify=cxx,expected
   5 // RUN: %clang_cc1 -fsyntax-only -std=c++20 -x c++ %s -verify=okay -D_CLANG_DISABLE_CRT_DEPRECATION_WARNINGS
   6 // RUN: %clang_cc1 -fsyntax-only -std=c17 %s -verify=okay -D_CLANG_DISABLE_CRT_DEPRECATION_WARNINGS
   7 //
   8 // okay-no-diagnostics
   9
  10 #include <stdatomic.h>
  11
  12 void func(void) {
  13   _Atomic int i = ATOMIC_VAR_INIT(12); // expected-warning {{macro 'ATOMIC_VAR_INIT' has been marked as deprecated}} \
  14                                        // expected-note@stdatomic.h:* {{macro marked 'deprecated' here}}
  15   #if defined(ATOMIC_FLAG_INIT) // Ok, deprecated in C++20, undeprecated in C++23 via LWG4659.
  16   #endif
  17 }