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/Sema/Sema.h b/lib/Sema/Sema.h
index c236b89..aafddc5 100644
--- a/lib/Sema/Sema.h
+++ b/lib/Sema/Sema.h
@@ -1033,7 +1033,8 @@
                                               StmtArg Catch, StmtArg Finally);
 
   virtual OwningStmtResult ActOnObjCAtThrowStmt(SourceLocation AtLoc,
-                                                ExprArg Throw);
+                                                ExprArg Throw, 
+                                                Scope *CurScope);
   virtual OwningStmtResult ActOnObjCAtSynchronizedStmt(SourceLocation AtLoc,
                                                        ExprArg SynchExpr,
                                                        StmtArg SynchBody);