Removed dead variable to make GCC 4.6 happy again.

TBR=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10802047

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12149 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/compiler.cc

@@ -726,7 +726,6 @@ static void InstallCodeCommon(CompilationInfo* info) {
   // reset this bit when lazy compiling the code again.
   if (shared->optimization_disabled()) code->set_optimizable(false);
 
-  Handle<JSFunction> function = info->closure();
   Compiler::RecordFunctionCompilation(Logger::LAZY_COMPILE_TAG, info, shared);
 }