1 /* { dg-do compile } */
2 /* { dg-options "-fdump-tree-gimple" } */
3 
foo(int i)4 int foo(int i)
5 {
6   return i - -1;
7 }
8 
9 /* { dg-final { scan-tree-dump "i \\+ 1" "gimple" } } */
10 /* { dg-final { cleanup-tree-dump "gimple" } } */
11