Only enable the ObjCAtSyncChecker when the translation unit uses Objective-C.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118414 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Checker/ObjCAtSyncChecker.cpp b/lib/Checker/ObjCAtSyncChecker.cpp
index f9a3686..139cac2 100644
--- a/lib/Checker/ObjCAtSyncChecker.cpp
+++ b/lib/Checker/ObjCAtSyncChecker.cpp
@@ -33,7 +33,9 @@
} // end anonymous namespace
void clang::RegisterObjCAtSyncChecker(GRExprEngine &Eng) {
- Eng.registerCheck(new ObjCAtSyncChecker());
+ // @synchronized is an Objective-C 2 feature.
+ if (Eng.getContext().getLangOptions().ObjC2)
+ Eng.registerCheck(new ObjCAtSyncChecker());
}
void ObjCAtSyncChecker::PreVisitObjCAtSynchronizedStmt(CheckerContext &C,