sdcc/support/regression/tests/gcc-torture-execute-20001228-1.c

   1 /*
   2    20001228-1.c from the execute part of the gcc torture tests.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #ifdef __SDCC
   8 #pragma std_c99
   9 #endif
  10
  11 int foo1(void)
  12 {
  13   union {
  14     char a[sizeof (unsigned)];
  15     unsigned b;
  16   } u;
  17
  18   u.b = 0x01;
  19   return u.a[0];
  20 }
  21
  22 int foo2(void)
  23 {
  24   volatile union {
  25     char a[sizeof (unsigned)];
  26     unsigned b;
  27   } u;
  28
  29   u.b = 0x01;
  30   return u.a[0];
  31 }
  32
  33 void
  34 testTortureExecute (void)
  35 {
  36   if (foo1() != foo2())
  37     ASSERT (0);
  38   return;
  39 }
  40