1 /* { dg-do compile } */
2 /* { dg-options "-O1 -foptimize-sibling-calls -fdump-tree-tailr1-details" } */
3 int
t(int a)4 t(int a)
5 {
6 if (a)
7 return t(a-1);
8 else
9 return 0;
10 }
11 /* { dg-final { scan-tree-dump-times "Eliminated tail recursion" 1 "tailr1"} } */
12