clang/test/C/C2x/n2886.c

   1 // RUN: %clang_cc1 -verify=okay -std=c11 -ffreestanding %s
   2 // RUN: %clang_cc1 -verify -std=c17 -ffreestanding %s
   3 // RUN: %clang_cc1 -verify -std=c2x -ffreestanding %s
   4
   5 /* WG14 N2886: yes
   6  * Remove ATOMIC_VAR_INIT v2
   7  */
   8
   9 /* okay-no-diagnostics */
  10 #include <stdatomic.h>
  11
  12 _Atomic int a = ATOMIC_VAR_INIT(0); /* #diag */
  13 #if __STDC_VERSION__ <= 201710L
  14 /* expected-warning@#diag {{macro 'ATOMIC_VAR_INIT' has been marked as deprecated}}
  15    expected-note@stdatomic.h:* {{macro marked 'deprecated' here}}
  16 */
  17 #else
  18 /* expected-error@#diag {{use of undeclared identifier 'ATOMIC_VAR_INIT'}} */
  19 #endif
  20