gcc/testsuite/gcc.dg/pr71084.c

   1 /* PR tree-optimization/71084 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2" } */
   4
   5 __extension__ typedef __INTPTR_TYPE__ intptr_t;
   6
   7 void babl_format (void);
   8 void gimp_drawable_get_format (void);
   9 int _setjmp (void);
  10
  11 enum {
  12   GIMP_RGB_IMAGE,
  13   GIMP_RGBA_IMAGE,
  14   GIMP_GRAY_IMAGE,
  15   GIMP_GRAYA_IMAGE,
  16   GIMP_INDEXED_IMAGE
  17 } run_i;
  18
  19 int run_height;
  20
  21 void fn1 ()
  22 {
  23   int type, width;
  24   if (_setjmp ())
  25     switch (type)
  26       {
  27       case GIMP_RGB_IMAGE:
  28         babl_format ();
  29       case GIMP_RGBA_IMAGE:
  30       case GIMP_GRAY_IMAGE:
  31         babl_format ();
  32       case GIMP_GRAYA_IMAGE:
  33       case GIMP_INDEXED_IMAGE:
  34         gimp_drawable_get_format();
  35       }
  36   for (; run_height;)
  37     for (; run_i < (long)(intptr_t)fn1; ++run_i)
  38       for (; width;)
  39         ;
  40 }