TurboFan: commit dependencies only on update of the opt. code list.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 6798d0f0cbcba4281c388d7a5edff4c75ac8f3bf..22be0c593773fe97b2b97842ca06882f37d48271 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -12484,7 +12484,8 @@ bool DependentCode::MarkCodeForDeoptimization(
       WeakCell* cell = WeakCell::cast(obj);
       if (cell->cleared()) continue;
       Code* code = Code::cast(cell->value());
-      if (!code->marked_for_deoptimization()) {
+      if (!code->marked_for_deoptimization() &&
+          (!code->is_turbofanned() || FLAG_turbo_deoptimization)) {
         SetMarkedForDeoptimization(code, group);
         if (invalidate_embedded_objects) {
           code->InvalidateEmbeddedObjects();