1 /* { dg-do compile } */
2 /* { dg-options "-O1 -fstrict-overflow -fdump-tree-optimized" } */
10 /* { dg-final { scan-tree-dump-times "10 / -a" 0 "optimized"} } */
11 /* { dg-final { scan-tree-dump-times "-10 / a" 1 "optimized"} } */
13 /* { dg-final { cleanup-tree-dump "optimized" } } */