gcc/testsuite/gcc.dg/alignof.c

   1 /* PR c/69507 - bogus warning: ISO C does not allow '__alignof__ (expression)'
   2  */
   3 /* { dg-do compile } */
   4 /* { dg-options "-std=c11 -Wno-error -Wpedantic" } */
   5
   6 extern int e;
   7
   8 int a[] = {
   9     __alignof__ (e),
  10     _Alignof (e)       /* { dg-warning "ISO C does not allow ._Alignof \\(expression\\)." } */
  11 };