Shuffle fields around in Scope to save more zone memory

src/globals.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_GLOBALS_H_
 #define V8_GLOBALS_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 995 matching lines @@
 
 
 enum MinusZeroMode {
   TREAT_MINUS_ZERO_AS_ZERO,
   FAIL_ON_MINUS_ZERO
 };
 
 
 enum Signedness { kSigned, kUnsigned };
 
-enum FunctionKind {
+enum FunctionKind : uint16_t {
   kNormalFunction = 0,
   kArrowFunction = 1 << 0,
   kGeneratorFunction = 1 << 1,
   kConciseMethod = 1 << 2,
   kConciseGeneratorMethod = kGeneratorFunction | kConciseMethod,
   kDefaultConstructor = 1 << 3,
   kSubclassConstructor = 1 << 4,
   kBaseConstructor = 1 << 5,
   kGetterFunction = 1 << 6,
   kSetterFunction = 1 << 7,
@@ skipping 121 matching lines @@
   return static_cast<uint32_t>(bit_cast<uintptr_t>(address) >>
                                kPointerSizeLog2);
 }
 
 }  // namespace internal
 }  // namespace v8
 
 namespace i = v8::internal;
 
 #endif  // V8_GLOBALS_H_