gcc/testsuite/gcc.dg/pragma-diag-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Wuninitialized -O2" } */
   3 /* { dg-message "warnings being treated as errors" "" {target "*-*-*"} 0 } */
   4
   5 main()
   6 {
   7   int a;
   8   int b;
   9   int c;
  10   int d;
  11
  12 #pragma GCC diagnostic error "-Wuninitialized"
  13   foo(a);                       /* { dg-error "uninitialized" } */
  14 #pragma GCC diagnostic push
  15 #pragma GCC diagnostic ignored "-Wuninitialized"
  16   foo(b);
  17 #pragma GCC diagnostic pop
  18   foo(c);                       /* { dg-error "uninitialized" } */
  19 #pragma GCC diagnostic pop
  20   foo(d);                       /* { dg-warning "uninitialized" } */
  21 }