[parser] remove %catch parsing

src/parsing/parser-base.h

 // 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.
 
 #ifndef V8_PARSING_PARSER_BASE_H
 #define V8_PARSING_PARSER_BASE_H
 
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
 #include "src/bailout-reason.h"
@@ skipping 624 matching lines @@
 
   struct CatchInfo {
    public:
     explicit CatchInfo(ParserBase* parser)
         : name(parser->impl()->EmptyIdentifier()),
           variable(nullptr),
           pattern(parser->impl()->EmptyExpression()),
           scope(nullptr),
           init_block(parser->impl()->NullBlock()),
           inner_block(parser->impl()->NullBlock()),
-          for_promise_reject(false),
           bound_names(1, parser->zone()),
           tail_call_expressions(parser->zone()) {}
     IdentifierT name;
     Variable* variable;
     ExpressionT pattern;
     Scope* scope;
     BlockT init_block;
     BlockT inner_block;
-    bool for_promise_reject;
     ZoneList<const AstRawString*> bound_names;
     TailCallExpressionList tail_call_expressions;
   };
 
   struct ForInfo {
    public:
     explicit ForInfo(ParserBase* parser)
         : bound_names(1, parser->zone()),
           mode(ForEachStatement::ENUMERATE),
           position(kNoSourcePosition),
@@ skipping 4449 matching lines @@
   int pos = position();
 
   BlockT try_block = impl()->NullBlock();
   {
     ReturnExprScope no_tail_calls(function_state_,
                                   ReturnExprContext::kInsideTryBlock);
     try_block = ParseBlock(nullptr, CHECK_OK);
   }
 
   CatchInfo catch_info(this);
-  catch_info.for_promise_reject = allow_natives() && Check(Token::MOD);
 
   if (peek() != Token::CATCH && peek() != Token::FINALLY) {
     ReportMessage(MessageTemplate::kNoCatchOrFinally);
     *ok = false;
     return impl()->NullStatement();
   }
 
   BlockT catch_block = impl()->NullBlock();
   if (Check(Token::CATCH)) {
     Expect(Token::LPAREN, CHECK_OK);
@@ skipping 367 matching lines @@
     has_seen_constructor_ = true;
     return;
   }
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PARSER_BASE_H