1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/musttail32.c b/gcc/testsuite/c-c++-common/musttail32.c
new file mode 100644
index 0000000..f1b7052
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/musttail32.c
@@ -0,0 +1,23 @@
+/* PR ipa/121023 */
+/* { dg-do compile { target musttail } } */
+/* { dg-options "-O2" } */
+
+struct S { int a, b; };
+
+[[gnu::noipa]] int
+foo (struct S x, int y, int z)
+{
+  return x.a + y + z;
+}
+
+[[gnu::noinline]] static int
+bar (struct S x, int y, int z)
+{
+  [[gnu::musttail]] return foo ((struct S) { x.a, 0 }, y, 1);
+}
+
+int
+baz (int x)
+{
+  return bar ((struct S) { 1, 2 }, x, 2) + bar ((struct S) { 2, 3 }, x + 1, 2);
+}