gcc/testsuite/gcc.dg/ipa/PR64559.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Os"  } */
   3
   4 int a, b, c, d;
   5
   6 struct S
   7 {
   8   int f0;
   9 };
  10
  11 static int
  12 fn1 (int p)
  13 {
  14   return p == 0 || a;
  15 }
  16
  17 static int
  18 fn2 ()
  19 {
  20   d = fn1 (c);
  21   return 0;
  22 }
  23
  24 static int
  25 fn3 (struct S p)
  26 {
  27   p.f0 || fn2 ();
  28   if (fn1 (1))
  29     b = 0;
  30   return 0;
  31 }
  32
  33 int
  34 main ()
  35 {
  36   struct S e = { 1 };
  37   fn3 (e);
  38   return 0;
  39 }