Fix -Wuninitialized regression involving functions invalidating parameters passed by reference.

llvm-svn: 135610

1 files changed, 10 insertions, 0 deletions

diff --git a/clang/test/SemaCXX/uninit-variables.cpp b/clang/test/SemaCXX/uninit-variables.cpp
index a0180e3d3a1..a850a2f92f1 100644
--- a/clang/test/SemaCXX/uninit-variables.cpp
+++ b/clang/test/SemaCXX/uninit-variables.cpp
@@ -66,6 +66,16 @@ test4_A test4() {
  return a; // expected-warning{{variable 'a' is uninitialized when used here}}
 }
 
+// Test variables getting invalidated by function calls with reference arguments
+// *AND* there are multiple invalidated arguments.
+void test5_aux(int &, int &);
+
+int test5() {
+  int x, y;
+  test5_aux(x, y);
+  return x + y; // no-warning
+}
+
 // This test previously crashed Sema.
 class Rdar9188004A {
 public: