Remove redundant set_optimizable() call

src/objects.cc

Index: src/objects.cc
===================================================================
--- src/objects.cc	(revision 15545)
+++ src/objects.cc	(working copy)
@@ -9723,12 +9723,8 @@
   // non-optimizable if optimization is disabled for the shared
   // function info.
   set_optimization_disabled(true);
-  // Code should be the lazy compilation stub or else unoptimized.  If the
-  // latter, disable optimization for the code too.
+  // Code should be the lazy compilation stub or else unoptimized.
   ASSERT(code()->kind() == Code::FUNCTION || code()->kind() == Code::BUILTIN);
-  if (code()->kind() == Code::FUNCTION) {
-    code()->set_optimizable(false);
-  }
   if (FLAG_trace_opt) {
     PrintF("[disabled optimization for ");
     ShortPrint();
@@ -9824,7 +9820,6 @@
         opt_count() >= FLAG_max_opt_count) {
       // Re-enable optimizations if they were disabled due to opt_count limit.
       set_optimization_disabled(false);
-      code()->set_optimizable(true);
     }
     set_opt_count(0);
     set_deopt_count(0);