1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/musttail27.c b/gcc/testsuite/c-c++-common/musttail27.c
new file mode 100644
index 0000000..2a92bcb
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/musttail27.c
@@ -0,0 +1,31 @@
+/* PR ipa/119376 */
+/* { dg-do compile { target musttail } } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+/* { dg-final { scan-tree-dump-times "  \[^\n\r]* = foo \\\(\[^\n\r]*\\\); \\\[tail call\\\] \\\[must tail call\\\]" 2 "optimized" } } */
+/* { dg-final { scan-tree-dump-times "  \[^\n\r]* = foo \\\(\[^\n\r]*\\\); \\\[tail call\\\]" 4 "optimized" } } */
+
+int foo (int);
+
+int
+bar (int x)
+{
+  [[gnu::musttail]] return foo (x + 1);
+}
+
+int
+baz (int x)
+{
+  return foo (x + 1);
+}
+
+int
+qux (int x)
+{
+  return foo (x + 2);
+}
+
+int
+corge (int x)
+{
+  [[gnu::musttail]] return foo (x + 2);
+}