gcc/testsuite/gcc.dg/torture/pr55253.c

   1 /* { dg-do run } */
   2
   3 struct
   4 {
   5     int mallocFailed;
   6 }
   7 *a;
   8
   9 struct StrAccum
  10 {
  11     int useMalloc;
  12 }
  13 b, c;
  14
  15 static void
  16 fn1 (struct StrAccum *p1, int p2)
  17 {
  18     if (p2 == 0)
  19         return;
  20     if (p1->useMalloc)
  21         a->mallocFailed = 0;
  22 }
  23
  24 void
  25 fn2 (struct StrAccum *p1)
  26 {
  27     fn1 (p1, 1);
  28 }
  29
  30 void
  31 fn3 (struct StrAccum *p1)
  32 {
  33     fn1 (p1, 1);
  34 }
  35
  36 void
  37 fn4 ()
  38 {
  39     c.useMalloc = 1;
  40     fn1 (&c, 0);
  41 }
  42
  43 int
  44 main ()
  45 {
  46     fn3 (&b);
  47     return 0;
  48 }