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 void foo (int);
   6
   7 int
   8 main()
   9 {
  10   int a;
  11   int b;
  12   int c;
  13   int d;
  14
  15 #pragma GCC diagnostic error "-Wuninitialized"
  16   foo(a);                       /* { dg-error "uninitialized" } */
  17 #pragma GCC diagnostic push
  18 #pragma GCC diagnostic ignored "-Wuninitialized"
  19   foo(b);
  20 #pragma GCC diagnostic pop
  21   foo(c);                       /* { dg-error "uninitialized" } */
  22 #pragma GCC diagnostic pop
  23   foo(d);                       /* { dg-warning "uninitialized" } */
  24 }