gcc/testsuite/gcc.dg/pr67730.h

   1 #pragma GCC system_header
   2 #define NULL (void *) 0
   3 #define ONEP (void *) 1
   4 #define RETURN return NULL
   5
   6 extern void sysbar (unsigned char *);
   7
   8 unsigned char *
   9 sysfn1 (void *p)
  10 {
  11    unsigned char *uc = ONEP;
  12    uc = ONEP;
  13    sysbar (ONEP);
  14    return ONEP;
  15 }
  16
  17 extern void sysbar2 (int);
  18
  19 int
  20 sysfn2 (void)
  21 {
  22   int a = NULL;
  23   a = NULL;
  24   sysbar2 (NULL);
  25   return NULL;
  26 }
  27
  28 int
  29 sysfn3 (void)
  30 {
  31   RETURN;
  32 }