gcc/testsuite/c-c++-common/pr37743.c

   1 /* PR c/37743 */
   2 /* This needs to be run only on targets where __UINT32_TYPE__ is defined
   3    to unsigned int.  */
   4 /* { dg-do compile { target *-*-linux-gnu* } } */
   5 /* { dg-options "-Wformat" } */
   6
   7 int foo (const char *, ...) __attribute__ ((format (printf, 1, 2)));
   8
   9 void
  10 bar (unsigned int x)
  11 {
  12   foo ("%x", __builtin_bswap32 (x));
  13 }