1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/musttail17.c b/gcc/testsuite/c-c++-common/musttail17.c
new file mode 100644
index 0000000..490f3c3
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/musttail17.c
@@ -0,0 +1,17 @@
+/* { dg-do compile { target { musttail && { c || c++11 } } } } */
+
+struct box { char field[64]; int i; };
+
+struct box __attribute__((noinline,noclone,noipa))
+returns_struct (int i)
+{
+  struct box b;
+  b.i = i * i;
+  return b;
+}
+
+int __attribute__((noinline,noclone))
+test_1 (int i)
+{
+  __attribute__((musttail)) return returns_struct (i * 5).i; /* { dg-error "cannot tail-call: " } */
+}