1 /* { dg-do compile } */
2 /* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */
3 
4 int
f(int c,int b,int d)5 f (int c, int b, int d)
6 {
7   int r, e;
8 
9   if (c)
10     r = b + d;
11   else
12     {
13       e = b + d;
14       r = e;
15     }
16 
17   return r;
18 }
19 
20 /* { dg-final { scan-tree-dump-times "if " 0 "pre"} } */
21 /* { dg-final { scan-tree-dump-times "(?n)_.*\\+.*_" 1 "pre"} } */
22 /* { dg-final { scan-tree-dump-not "Invalid sum" "pre"} } */
23