1 files changed, 15 insertions, 0 deletions
diff --git a/clang/test/Sema/arg-duplicate.c b/clang/test/Sema/arg-duplicate.c
new file mode 100644
index 0000000..feeb458
--- /dev/null
+++ b/clang/test/Sema/arg-duplicate.c
@@ -0,0 +1,15 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+int f3(y, x, 
+       x)          // expected-error {{redefinition of parameter}}
+  int y, 
+      x,           // expected-note {{previous declaration is here}}
+      x;           // expected-error {{redefinition of parameter}}
+{
+  return x + y; 
+} 
+
+void f4(void) { 
+  f3 (1, 1, 2, 3, 4); // expected-warning{{too many arguments}}
+}
+