/* { dg-do compile } */ /* { dg-options "-O1 -foptimize-sibling-calls -fdump-tree-tailr1-details" } */ int t(char *a) { static char p[100]; if (a) return t(p); else return 0; } /* { dg-final { scan-tree-dump-times "Eliminated tail recursion" 1 "tailr1"} } */ /* { dg-final { cleanup-tree-dump "tailr1" } } */