gcc/testsuite/gcc.dg/torture/stackalign/setjmp-4.c

   1 /* { dg-do run } */
   2
   3 #include <setjmp.h>
   4
   5 extern void abort (void);
   6
   7 jmp_buf buf;
   8
   9 void raise0(void)
  10 {
  11   __builtin_longjmp (buf, 1);
  12 }
  13
  14 int execute(int cmd)
  15 {
  16   int last = 0;
  17
  18   __builtin_setjmp (buf);
  19
  20   if (last == 0)
  21     while (1)
  22       {
  23         last = 1;
  24         raise0 ();
  25       }
  26
  27   if (last == 0)
  28     return 0;
  29   else
  30     return cmd;
  31 }
  32
  33 int main(void)
  34 {
  35   if (execute (1) == 0)
  36     abort ();
  37
  38   return 0;
  39 }