Make sure to store the exception in the catch parameter.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56102 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp
index 5b88a19..bf3469e 100644
--- a/lib/CodeGen/CGStmt.cpp
+++ b/lib/CodeGen/CGStmt.cpp
@@ -81,8 +81,8 @@
     EmitObjCAtTryStmt(cast<ObjCAtTryStmt>(*S));
     break;    
   case Stmt::ObjCAtCatchStmtClass:
-    EmitObjCAtCatchStmt(cast<ObjCAtCatchStmt>(*S));
-    break;    
+    assert(0 && "@catch statements should be handled by EmitObjCAtTryStmt");
+    break;
   case Stmt::ObjCAtFinallyStmtClass:
     assert(0 && "@finally statements should be handled by EmitObjCAtTryStmt");
     break;