[parser] Fix scopes in rewriting of for-of and destructuring assignments.

src/parsing/pattern-rewriter.cc

Index: src/parsing/pattern-rewriter.cc
diff --git a/src/parsing/pattern-rewriter.cc b/src/parsing/pattern-rewriter.cc
index 21b1cec69655c092b3c4e822ed3d14dd6987ccb6..f3d9bb02a33bec518052372f713aec08ea3ef756 100644
--- a/src/parsing/pattern-rewriter.cc
+++ b/src/parsing/pattern-rewriter.cc
@@ -37,11 +37,12 @@ void Parser::PatternRewriter::DeclareAndInitializeVariables(
 
 void Parser::PatternRewriter::RewriteDestructuringAssignment(
     Parser* parser, RewritableExpression* to_rewrite, Scope* scope) {
-  PatternRewriter rewriter;
-
+  DCHECK(!scope->HasBeenRemoved());
   DCHECK(!to_rewrite->is_rewritten());
 
   bool ok = true;
+
+  PatternRewriter rewriter;
   rewriter.scope_ = scope;
   rewriter.parser_ = parser;
   rewriter.context_ = ASSIGNMENT;
@@ -586,8 +587,9 @@ void Parser::PatternRewriter::VisitArrayLiteral(ArrayLiteral* node,
 
   Expression* closing_condition = factory()->NewUnaryOperation(
       Token::NOT, factory()->NewVariableProxy(done), nopos);
-  parser_->FinalizeIteratorUse(completion, closing_condition, iterator, block_,
-                               target);
+
+  parser_->FinalizeIteratorUse(scope(), completion, closing_condition, iterator,
+                               block_, target);
   block_ = target;
 }