gcc/testsuite/gcc.dg/pr89314.c

   1 /* PR tree-optimization/89314 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -Wbuiltin-declaration-mismatch -Wextra" } */
   4
   5 extern __SIZE_TYPE__ strlen (const float *);    /* { dg-warning "\\\[-Wbuiltin-declaration-mismatch" } */
   6 void bar (void);
   7
   8 void
   9 foo (float *s)
  10 {
  11   if (strlen (s) > 0)
  12     bar ();
  13 }