[runtime] Support Proxy setPrototypeOf trap

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 037e96b86d769d85bfbc9ada048e304c6a3f5b7a..adfa306720728feaf262c1a363dd9acaf00516c6 100644
--- a/src/parsing/pattern-rewriter.cc
+++ b/src/parsing/pattern-rewriter.cc
@@ -54,9 +54,9 @@ void Parser::PatternRewriter::VisitVariableProxy(VariableProxy* pattern) {
   Declaration* declaration = factory()->NewVariableDeclaration(
       proxy, descriptor_->mode, descriptor_->scope,
       descriptor_->declaration_pos);
-  Variable* var = parser->Declare(declaration, descriptor_->declaration_kind,
-                                  descriptor_->mode != VAR, ok_,
-                                  descriptor_->hoist_scope);
+  Variable* var =
+      parser->Declare(declaration, descriptor_->declaration_kind,
+                      descriptor_->mode != VAR, ok_, descriptor_->hoist_scope);
   if (!*ok_) return;
   DCHECK_NOT_NULL(var);
   DCHECK(!proxy->is_resolved() || proxy->var() == var);