Fix crash reported in PR 3991.  The analyzer doesn't reason about ObjCKVCExpr.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69754 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/GRExprEngine.cpp b/lib/Analysis/GRExprEngine.cpp
index 4b540e7..4db00d2 100644
--- a/lib/Analysis/GRExprEngine.cpp
+++ b/lib/Analysis/GRExprEngine.cpp
@@ -486,6 +486,7 @@
       return;
       
     case Stmt::ObjCPropertyRefExprClass:
+    case Stmt::ObjCKVCRefExprClass:
       // FIXME: Property assignments are lvalues, but not really "locations".
       //  e.g.:  self.x = something;
       //  Here the "self.x" really can translate to a method call (setter) when