1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/tailcall-3.c b/gcc/testsuite/gcc.dg/tree-ssa/tailcall-3.c
new file mode 100644
index 000000000..4055bc3f5
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/tailcall-3.c
@@ -0,0 +1,28 @@
+/* The return argument needs a type conversion which on some targets
+   (e.g. s390) needs additional code.  So it is invalid to do tail
+   call optimization here.  */
+
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+extern void abort (void);
+
+long long __attribute__((noinline))
+foo ()
+{
+  return 3;
+}
+
+int __attribute__((noinline))
+boo ()
+{
+  return foo ();
+}
+
+int
+main ()
+{
+  if (boo () != 3)
+    abort ();
+}
+