Refactoring of snapshots. This simplifies and improves

src/runtime.cc

Index: src/runtime.cc
===================================================================
--- src/runtime.cc	(revision 12497)
+++ src/runtime.cc	(working copy)
@@ -7909,7 +7909,8 @@
 
   // If the function is not optimizable or debugger is active continue using the
   // code from the full compiler.
-  if (!function->shared()->code()->optimizable() ||
+  if (!FLAG_crankshaft ||
+      !function->shared()->code()->optimizable() ||
       isolate->DebuggerHasBreakPoints()) {
     if (FLAG_trace_opt) {
       PrintF("[failed to optimize ");