Pass -fexceptions to all tests that use try/catch/throw.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126037 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaCXX/nullptr.cpp b/test/SemaCXX/nullptr.cpp
index 1c45477..01f3d93 100644
--- a/test/SemaCXX/nullptr.cpp
+++ b/test/SemaCXX/nullptr.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -verify -std=c++0x -ffreestanding %s
+// RUN: %clang_cc1 -fexceptions -fsyntax-only -verify -std=c++0x -ffreestanding %s
 #include <stdint.h>
 
 typedef decltype(nullptr) nullptr_t;