gcc/testsuite/gcc.dg/pr63748.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -Wall" } */
   3 /* { dg-require-effective-target nonlocal_goto } */
   4
   5 #include <setjmp.h>
   6
   7 jmp_buf *alloc_jmp_buf ();
   8 int foo (void *);
   9
  10 int
  11 test (int op, int noside)
  12 {
  13   void *argvec = 0;
  14
  15   if (op)
  16     {
  17       jmp_buf *buf = alloc_jmp_buf (); /* { dg-bogus "uninitialized" } */
  18       setjmp (*buf);
  19
  20       if (noside)
  21         goto nosideret;
  22
  23     do_call_it:
  24
  25       if (noside)
  26         goto nosideret;
  27
  28       return foo (argvec);
  29     }
  30
  31   argvec = __builtin_alloca (1);
  32   goto do_call_it;
  33
  34 nosideret:
  35   return 1;
  36 }
  37