gcc/testsuite/gcc.dg/pr51505.c

   1 /* PR rtl-optimization/51505 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O --param max-cse-insns=1" } */
   4 struct S
   5 {
   6 char a[256];
   7 };
   8
   9 int bar(struct S, char[16]);
  10
  11 void foo ()
  12 {
  13   struct S u, s1, s2;
  14   char e[256];
  15   char i;
  16   e[i] = ~s1.a[i] & s2.a[i];
  17   if (bar(u, e))
  18     __builtin_abort ();
  19 }