gcc/testsuite/gcc.dg/pr46177.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fno-tree-copy-prop -ftree-loop-distribution" } */
   3
   4 extern int A[];
   5 extern int B[];
   6
   7 void
   8 foo (int j, int c)
   9 {
  10   int i;
  11
  12   if (c)
  13     for (i = 0; i < j; i++)
  14       A[i] = B[i] = 0;
  15
  16   for (i = 0; i < j; i++)
  17     A[i] = B[i];
  18 }