harmony-scoping: Catch variable should be VAR, not LET

src/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/v8.h"
 
 #include "src/api.h"
 #include "src/ast.h"
 #include "src/bailout-reason.h"
 #include "src/base/platform/platform.h"
@@ skipping 2778 matching lines @@
     Consume(Token::CATCH);
 
     Expect(Token::LPAREN, CHECK_OK);
     catch_scope = NewScope(scope_, CATCH_SCOPE);
     catch_scope->set_start_position(scanner()->location().beg_pos);
     name = ParseIdentifier(kDontAllowEvalOrArguments, CHECK_OK);
 
     Expect(Token::RPAREN, CHECK_OK);
 
     Target target(&this->target_stack_, &catch_collector);
-    VariableMode mode =
-        allow_harmony_scoping() && strict_mode() == STRICT ? LET : VAR;
-    catch_variable = catch_scope->DeclareLocal(name, mode, kCreatedInitialized);
+    catch_variable = catch_scope->DeclareLocal(name, VAR, kCreatedInitialized);
     BlockState block_state(&scope_, catch_scope);
     catch_block = ParseBlock(NULL, CHECK_OK);
 
     catch_scope->set_end_position(scanner()->location().end_pos);
     tok = peek();
   }
 
   Block* finally_block = NULL;
   DCHECK(tok == Token::FINALLY || catch_block != NULL);
   if (tok == Token::FINALLY) {
@@ skipping 2532 matching lines @@
 
   hash_string.Truncate(num_hash_chars);
   int utf16_length;
   *hash = StringHasher::ComputeUtf8Hash(Vector<const char>::cast(hash_string),
       num_hash_chars, &utf16_length);
   hash_string.Dispose();
 
   return raw_strings;
 }
 } }  // namespace v8::internal