Allow --always-opt to go further into the pipeline (2).

src/bootstrapper.cc

Index: src/bootstrapper.cc
diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
index 049519b6a83f08c224f13e49e12060cb93c967da..1428b2e03c0c0afff39c5da09c37fa7d77d723d2 100644
--- a/src/bootstrapper.cc
+++ b/src/bootstrapper.cc
@@ -2507,11 +2507,6 @@ bool Genesis::InstallJSBuiltins(Handle<JSBuiltinsObject> builtins) {
         isolate(), builtins, Builtins::GetName(id)).ToHandleChecked();
     Handle<JSFunction> function = Handle<JSFunction>::cast(function_object);
     builtins->set_javascript_builtin(id, *function);
-    // TODO(mstarzinger): This is just a temporary hack to make TurboFan work,
-    // the correct solution is to restore the context register after invoking
-    // builtins from full-codegen.
-    function->shared()->set_disable_optimization_reason(kOptimizationDisabled);
-    function->shared()->set_optimization_disabled(true);
     if (!Compiler::EnsureCompiled(function, CLEAR_EXCEPTION)) {
       return false;
     }