1 files changed, 21 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/acc1.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/acc1.c
new file mode 100644
index 000000000..5b5bcd42d
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/acc1.c
@@ -0,0 +1,21 @@
+/* { dg-options "-ffast-math" } */
+
+/* Fast maths allows tail recursion to be turned into iteration.  */
+
+double
+foo (int n, double f)
+{
+  if (n == 0)
+    return f;
+  else
+    return f + foo (n - 1, f);
+}
+
+double
+bar (int n, double f)
+{
+  if (n == 0)
+    return f;
+  else
+    return f * bar (n - 1, f);
+}