1 /* { dg-do compile } */
2 /* { dg-options "-O -ffast-math -fdump-tree-reassoc1 -fdump-tree-optimized" } */
12 /* { dg-final { scan-tree-dump-not "\\\+ 0.0" "reassoc1" } } */
13 /* { dg-final { scan-tree-dump "return a;" "optimized" } } */
14 /* { dg-final { cleanup-tree-dump "reassoc1" } } */
15 /* { dg-final { cleanup-tree-dump "optimized" } } */