1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/attr-flatten-1.c b/gcc/testsuite/gcc.dg/attr-flatten-1.c
new file mode 100644
index 0000000..ecb08fc
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/attr-flatten-1.c
@@ -0,0 +1,18 @@
+/* { dg-require-alias "" } */
+int fn2(int);
+int fn3(int);
+
+__attribute__((flatten))
+int fn1(int p1)
+{
+  int a = fn2(p1);
+  return fn3(a);
+}
+__attribute__((flatten))
+__attribute__((alias("fn1")))
+int fn4(int p1); /* { dg-warning "ignored" } */
+int
+test ()
+{
+  return fn4(1);
+}