sdcc/support/regression/tests/gcc-torture-execute-pr24141.c

   1 /*
   2    pr24141.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 // reduced testcase, compile with -O2. Also, with --disable-checking
  12 // gcc produces wrong code.
  13
  14 int i;
  15
  16 void g (void)
  17 {
  18   i = 1;
  19 }
  20
  21 void f (int a, int b)
  22 {
  23   int c = 0;
  24   if (a == 0)
  25     c = 1;
  26   if (c)
  27     return;
  28   if (c == 1)
  29     c = 0;
  30   if (b == 0)
  31     c = 1;
  32   if (c)
  33     g ();
  34 }
  35
  36 void
  37 testTortureExecute (void)
  38 {
  39   f (1, 0);
  40   if (i != 1)
  41     ASSERT (0);
  42   return;
  43 }
  44