Refactoring of snapshots. This simplifies and improves

src/runtime.cc

 // 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 7904 matching lines @@
   // If the function is not compiled ignore the lazy
   // recompilation. This can happen if the debugger is activated and
   // the function is returned to the not compiled state.
   if (!function->shared()->is_compiled()) {
     function->ReplaceCode(function->shared()->code());
     return function->code();
   }
 
   // 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 ");
       function->PrintName();
       PrintF(": is code optimizable: %s, is debugger enabled: %s]\n",
           function->shared()->code()->optimizable() ? "T" : "F",
           isolate->DebuggerHasBreakPoints() ? "T" : "F");
     }
     function->ReplaceCode(function->shared()->code());
     return function->code();
@@ skipping 5351 matching lines @@
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     isolate->counters()->gc_last_resort_from_js()->Increment();
     isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags,
                                        "Runtime::PerformGC");
   }
 }
 
 
 } }  // namespace v8::internal