[parser] parenthesized Literals are not valid AssignmentPatterns

src/parsing/parser.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/parsing/parser.h"
 
 #include "src/api.h"
 #include "src/ast/ast.h"
 #include "src/ast/ast-expression-visitor.h"
 #include "src/ast/ast-literal-reindexer.h"
@@ skipping 2348 matching lines @@
         ValidateLetPattern(&pattern_classifier, ok);
         if (!*ok) return;
       }
       if (!allow_harmony_destructuring_bind() && !pattern->IsVariableProxy()) {
         ReportUnexpectedToken(next);
         *ok = false;
         return;
       }
     }
 
-    bool is_pattern = pattern->IsObjectLiteral() || pattern->IsArrayLiteral();
+    bool is_pattern =
+        (pattern->IsObjectLiteral() || pattern->IsArrayLiteral()) &&
+        !pattern->is_parenthesized();
 
     Scanner::Location variable_loc = scanner()->location();
     const AstRawString* single_name =
         pattern->IsVariableProxy() ? pattern->AsVariableProxy()->raw_name()
                                    : nullptr;
     if (single_name != nullptr) {
       if (fni_ != NULL) fni_->PushVariableName(single_name);
     }
 
     is_for_iteration_variable =
@@ skipping 3070 matching lines @@
     auto class_literal = value->AsClassLiteral();
     if (class_literal->raw_name() == nullptr) {
       class_literal->set_raw_name(name);
     }
   }
 }
 
 
 }  // namespace internal
 }  // namespace v8