[driver] Add the missing TY_PP_ObjCXX_Alias case to the isCXX function.

This was causing different behavior when using -x objective-c++-cpp-output as
compared to -x objc++-cpp-output.  Specifically, the driver was not adding the
-fcxx-exceptions flag in the latter case.
rdar://12680312

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168212 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Driver/Types.cpp b/lib/Driver/Types.cpp
index 862025ed9a1a523c213df9c4c9a52f0b77fb9775..7906ac3726bab98dd9bbcdca709d48d5c5081dcc 100644 (file)
--- a/lib/Driver/Types.cpp
+++ b/lib/Driver/Types.cpp
@@ -113,7 +113,7 @@ bool types::isCXX(ID Id) {
     return false;
 
   case TY_CXX: case TY_PP_CXX:
-  case TY_ObjCXX: case TY_PP_ObjCXX:
+  case TY_ObjCXX: case TY_PP_ObjCXX: case TY_PP_ObjCXX_Alias:
   case TY_CXXHeader: case TY_PP_CXXHeader:
   case TY_ObjCXXHeader: case TY_PP_ObjCXXHeader:
   case TY_CUDA:

diff --git a/test/Driver/objc++-cpp-output.mm b/test/Driver/objc++-cpp-output.mm
index 9c4d55379ad143306a9b0e20ead97bd55684a359..63b15d8c18b2ff1008d7fd5979375be4b2b28324 100644 (file)
--- a/test/Driver/objc++-cpp-output.mm
+++ b/test/Driver/objc++-cpp-output.mm
@@ -1,4 +1,5 @@
 // RUN: %clang -x objc++-cpp-output -c %s -o /dev/null
+// RUN: %clang -x objc++-cpp-output -c %s -o /dev/null -### 2>&1 | FileCheck %s
 
 // PR13820
 // REQUIRES: LP64
@@ -9,3 +10,8 @@
 @end
 void f() {}
 class C {};
+
+// Make sure the driver is passing all the necessary exception flags.
+// CHECK: "-fobjc-exceptions"
+// CHECK: "-fcxx-exceptions"
+// CHECK: "-fexceptions"