gcc/testsuite/gcc.dg/pr20130-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-fdump-tree-gimple" } */
   3 int z (int a) {
   4         return a * -1;
   5 }
   6
   7 int x (int a) {
   8         return -1 * a;
   9 }
  10
  11 int y (int a) {
  12         return -(-1 * -a);
  13 }
  14 /* { dg-final { scan-tree-dump-times "-a" 3 "gimple" } } */