diff --git a/clang/test/CodeGenCXX/const-init-cxx1y.cpp b/clang/test/CodeGenCXX/const-init-cxx1y.cpp
index 978c428e078a..5dd15a35281d 100644
--- a/clang/test/CodeGenCXX/const-init-cxx1y.cpp
+++ b/clang/test/CodeGenCXX/const-init-cxx1y.cpp
@@ -1,4 +1,5 @@
-// RUN: not %clang_cc1 -verify -triple x86_64-apple-darwin -emit-llvm -o - %s -std=c++1y | FileCheck %s
+// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin -emit-llvm -o - %s -std=c++1y | FileCheck %s
+// expected-no-diagnostics
 
 struct A {
   constexpr A() : n(1) {}
diff --git a/clang/test/CodeGenCXX/cxx11-exception-spec.cpp b/clang/test/CodeGenCXX/cxx11-exception-spec.cpp
index 96ea1d7f00ed..3b1516b92536 100644
--- a/clang/test/CodeGenCXX/cxx11-exception-spec.cpp
+++ b/clang/test/CodeGenCXX/cxx11-exception-spec.cpp
@@ -1,4 +1,5 @@
-// RUN: not %clang_cc1 -std=c++11 -emit-llvm %s -o - -verify -fexceptions -fcxx-exceptions -triple x86_64-linux-gnu | FileCheck %s
+// RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -verify -fexceptions -fcxx-exceptions -triple x86_64-linux-gnu | FileCheck %s
+// expected-no-diagnostics
 
 void h();
 
diff --git a/clang/test/CodeGenCXX/delete-two-arg.cpp b/clang/test/CodeGenCXX/delete-two-arg.cpp
index f8e6bff29580..be3cf1a900e6 100644
--- a/clang/test/CodeGenCXX/delete-two-arg.cpp
+++ b/clang/test/CodeGenCXX/delete-two-arg.cpp
@@ -1,4 +1,5 @@
-// RUN: not %clang_cc1 -triple i686-pc-linux-gnu %s -o - -emit-llvm -verify | FileCheck %s
+// RUN: %clang_cc1 -triple i686-pc-linux-gnu %s -o - -emit-llvm -verify | FileCheck %s
+// expected-no-diagnostics
 
 typedef __typeof(sizeof(int)) size_t;
 
diff --git a/clang/test/CodeGenCXX/mangle-template.cpp b/clang/test/CodeGenCXX/mangle-template.cpp
index 0c29a254bfe4..ad66c5d54770 100644
--- a/clang/test/CodeGenCXX/mangle-template.cpp
+++ b/clang/test/CodeGenCXX/mangle-template.cpp
@@ -1,4 +1,6 @@
-// RUN: %clang_cc1 -emit-llvm -cxx-abi itanium -o - %s | FileCheck %s
+// RUN: %clang_cc1 -verify -Wno-return-type -Wno-main -std=c++11 -emit-llvm -cxx-abi itanium -o - %s | FileCheck %s
+// expected-no-diagnostics
+
 namespace test1 {
 int x;
 template <int& D> class T { };
@@ -156,7 +158,7 @@ namespace test11 {
 
 namespace test12 {
   // Make sure we can mangle non-type template args with internal linkage.
-  static int f();
+  static int f() {}
   const int n = 10;
   template<typename T, T v> void test() {}
   void use() {