Description:
Remove unused --peephole-optimization flag.

R=da...@chromium.org
BUG=
TEST=

Please review this at https://chromiumcodereview.appspot.com/9361022/

SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge

Affected files:
   M src/flag-definitions.h
   M src/v8.cc

Index: src/flag-definitions.h
diff --git a/src/flag-definitions.h b/src/flag-definitions.h
index  
9cdea067254f2edab1bdb6ce9cc34b8dc8d2e5a9..2cee444217c8c59cbc769818aa521ef77 f726bf8  
100644
--- a/src/flag-definitions.h
+++ b/src/flag-definitions.h
@@ -168,8 +168,6 @@ DEFINE_int(loop_weight, 1, "loop weight for  
representation inference")
  DEFINE_bool(debug_code, false,
              "generate extra code (assertions) for debugging")
  DEFINE_bool(code_comments, false, "emit comments in code disassembly")
-DEFINE_bool(peephole_optimization, true,
-            "perform peephole optimizations in assembly code")
  DEFINE_bool(enable_sse2, true,
              "enable use of SSE2 instructions if available")
  DEFINE_bool(enable_sse3, true,
Index: src/v8.cc
diff --git a/src/v8.cc b/src/v8.cc
index  
36ee221948dd3a639a609907765fb18e5d5187be..e4b37b180e1f49eefc2601ed93a846769 c961c8f  
100644
--- a/src/v8.cc
+++ b/src/v8.cc
@@ -1,4 +1,4 @@
-// Copyright 2011 the V8 project authors. All rights reserved.
+// 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:
@@ -255,9 +255,6 @@ void V8::InitializeOncePerProcess() {

    RuntimeProfiler::GlobalSetup();

-  // Peephole optimization might interfere with deoptimization.
-  FLAG_peephole_optimization = !use_crankshaft_;
-
    ElementsAccessor::InitializeOncePerProcess();