Compress Variable class.

Review Link: http://codereview.chromium.org/6246019/

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6502 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/variables.cc

@@ -112,12 +112,12 @@ Variable::Variable(Scope* scope,
   : scope_(scope),
     name_(name),
     mode_(mode),
-    is_valid_LHS_(is_valid_LHS),
     kind_(kind),
     local_if_not_shadowed_(NULL),
+    rewrite_(NULL),
+    is_valid_LHS_(is_valid_LHS),
     is_accessed_from_inner_scope_(false),
-    is_used_(false),
-    rewrite_(NULL) {
+    is_used_(false) {
   // names must be canonicalized for fast equality checks
   ASSERT(name->IsSymbol());
 }

src/variables.h

@@ -187,21 +187,23 @@ class Variable: public ZoneObject {
   Scope* scope_;
   Handle<String> name_;
   Mode mode_;
-  bool is_valid_LHS_;
   Kind kind_;
 
   Variable* local_if_not_shadowed_;
 
-  // Usage info.
-  bool is_accessed_from_inner_scope_;  // set by variable resolver
-  bool is_used_;
-
   // Static type information
   StaticType type_;
 
   // Code generation.
   // rewrite_ is usually a Slot or a Property, but may be any expression.
   Expression* rewrite_;
+
+  // Valid as a LHS? (const and this are not valid LHS, for example)
+  bool is_valid_LHS_;
+
+  // Usage info.
+  bool is_accessed_from_inner_scope_;  // set by variable resolver
+  bool is_used_;
 };