Enable preaging of code objects when --optimize-for-size.

src/compiler.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 17 matching lines @@
 #ifndef V8_COMPILER_H_
 #define V8_COMPILER_H_
 
 #include "allocation.h"
 #include "ast.h"
 #include "zone.h"
 
 namespace v8 {
 namespace internal {
 
-static const int kPrologueOffsetNotSet = -1;
-
 class ScriptDataImpl;
 class HydrogenCodeStub;
 
 // ParseRestriction is used to restrict the set of valid statements in a
 // unit of compilation.  Restriction violations cause a syntax error.
 enum ParseRestriction {
   NO_PARSE_RESTRICTION,         // All expressions are allowed.
   ONLY_SINGLE_FUNCTION_LITERAL  // Only a single FunctionLiteral expression.
 };
 
@@ skipping 212 matching lines @@
     SaveHandle(&closure_);
     SaveHandle(&shared_info_);
     SaveHandle(&context_);
     SaveHandle(&script_);
   }
 
   BailoutReason bailout_reason() const { return bailout_reason_; }
   void set_bailout_reason(BailoutReason reason) { bailout_reason_ = reason; }
 
   int prologue_offset() const {
-    ASSERT_NE(kPrologueOffsetNotSet, prologue_offset_);
+    ASSERT_NE(Code::kPrologueOffsetNotSet, prologue_offset_);
     return prologue_offset_;
   }
 
   void set_prologue_offset(int prologue_offset) {
-    ASSERT_EQ(kPrologueOffsetNotSet, prologue_offset_);
+    ASSERT_EQ(Code::kPrologueOffsetNotSet, prologue_offset_);
     prologue_offset_ = prologue_offset;
   }
 
   // Adds offset range [from, to) where fp register does not point
   // to the current frame base. Used in CPU profiler to detect stack
   // samples where top frame is not set up.
   inline void AddNoFrameRange(int from, int to) {
     if (no_frame_ranges_) no_frame_ranges_->Add(OffsetRange(from, to));
   }
 
@@ skipping 378 matching lines @@
   unsigned info_zone_start_allocation_size_;
   ElapsedTimer timer_;
 
   DISALLOW_COPY_AND_ASSIGN(CompilationPhase);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_COMPILER_H_