In GRExprEngine treat @throw as an 'abort' that ends the current path.  This is a temporary solution.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60789 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/GRExprEngine.cpp b/lib/Analysis/GRExprEngine.cpp
index 343ac69..96776b4 100644
--- a/lib/Analysis/GRExprEngine.cpp
+++ b/lib/Analysis/GRExprEngine.cpp
@@ -377,6 +377,15 @@
       break;
     }
       
+    case Stmt::ObjCAtThrowStmtClass: {
+      // FIXME: This is not complete.  We basically treat @throw as
+      // an abort.
+      SaveAndRestore<bool> OldSink(Builder->BuildSinks);
+      Builder->BuildSinks = true;
+      MakeNode(Dst, S, Pred, GetState(Pred));
+      break;
+    }
+      
     case Stmt::ParenExprClass:
       Visit(cast<ParenExpr>(S)->getSubExpr()->IgnoreParens(), Pred, Dst);
       break;