gcc/testsuite/gcc.c-torture/execute/20040823-1.c

   1 /* Ensure that we create VUSE operands also for noreturn functions.  */
   2
   3 #include <stdlib.h>
   4 #include <string.h>
   5
   6 int *pwarn;
   7
   8 void bla (void) __attribute__ ((noreturn));
   9
  10 void bla (void)
  11 {
  12   if (!*pwarn)
  13     abort ();
  14
  15   exit (0);
  16 }
  17
  18 int main (void)
  19 {
  20   int warn;
  21
  22   memset (&warn, 0, sizeof (warn));
  23
  24   pwarn = &warn;
  25
  26   warn = 1;
  27
  28   bla ();
  29 }