gcc/testsuite/gcc.dg/pr63748.c

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