Fix <rdar://problem/6243503> [sema] @throw; accepted outside catch block.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64318 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseObjc.cpp b/lib/Parse/ParseObjc.cpp
index f455626..338e770 100644
--- a/lib/Parse/ParseObjc.cpp
+++ b/lib/Parse/ParseObjc.cpp
@@ -1202,7 +1202,7 @@
     }
   }
   ConsumeToken(); // consume ';'
-  return Actions.ActOnObjCAtThrowStmt(atLoc, move(Res));
+  return Actions.ActOnObjCAtThrowStmt(atLoc, move(Res), CurScope);
 }
 
 /// objc-synchronized-statement:
@@ -1284,7 +1284,7 @@
       ConsumeToken(); // consume catch
       if (Tok.is(tok::l_paren)) {
         ConsumeParen();
-        ParseScope CatchScope(this, Scope::DeclScope);
+        ParseScope CatchScope(this, Scope::DeclScope|Scope::AtCatchScope);
         if (Tok.isNot(tok::ellipsis)) {
           DeclSpec DS;
           ParseDeclarationSpecifiers(DS);