[scanner] Extend fast-smi parsing to the entire range minus Smi::kMinValue

src/scanner.h

 // Copyright 2011 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.
 
 // Features shared by parsing and pre-parsing scanners.
 
 #ifndef V8_SCANNER_H_
 #define V8_SCANNER_H_
 
 #include "src/allocation.h"
@@ skipping 409 matching lines @@
     if (is_literal_one_byte() &&
         literal_length() == 3 &&
         !literal_contains_escapes()) {
       const char* token =
           reinterpret_cast<const char*>(literal_one_byte_string().start());
       *is_get = strncmp(token, "get", 3) == 0;
       *is_set = !*is_get && strncmp(token, "set", 3) == 0;
     }
   }
 
-  int FindNumber(DuplicateFinder* finder, int value);
   int FindSymbol(DuplicateFinder* finder, int value);
 
   UnicodeCache* unicode_cache() { return unicode_cache_; }
 
   // Returns the location of the last seen octal literal.
   Location octal_position() const { return octal_pos_; }
   void clear_octal_position() { octal_pos_ = Location::invalid(); }
 
   // Returns the value of the last smi that was scanned.
   int smi_value() const { return smi_value_; }
@@ skipping 311 matching lines @@
   bool harmony_classes_;
   // Whether we scan TEMPLATE_SPAN and TEMPLATE_TAIL
   bool harmony_templates_;
   // Whether we allow \u{xxxxx}.
   bool harmony_unicode_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_SCANNER_H_