Internalize strings in-place

src/elements.cc

Index: src/elements.cc
diff --git a/src/elements.cc b/src/elements.cc
index d22b11ec8754863bb4e4bbd22141b8414e7501e1..12bc26506a46cad26257fff0eba531707fa81166 100644
--- a/src/elements.cc
+++ b/src/elements.cc
@@ -187,7 +187,7 @@ static void CopyDictionaryToObjectElements(
                                             : SKIP_WRITE_BARRIER;
   Isolate* isolate = from->GetIsolate();
   for (int i = 0; i < copy_size; i++) {
-    int entry = from->FindEntry(i + from_start);
+    int entry = from->FindEntry(isolate, i + from_start);
     if (entry != SeededNumberDictionary::kNotFound) {
       Object* value = from->ValueAt(entry);
       DCHECK(!value->IsTheHole(isolate));
@@ -417,8 +417,9 @@ static void CopyDictionaryToDoubleElements(FixedArrayBase* from_base,
   if (to_start + copy_size > to_length) {
     copy_size = to_length - to_start;
   }
+  Isolate* isolate = from->GetIsolate();
   for (int i = 0; i < copy_size; i++) {
-    int entry = from->FindEntry(i + from_start);
+    int entry = from->FindEntry(isolate, i + from_start);
     if (entry != SeededNumberDictionary::kNotFound) {
       to->set(i + to_start, from->ValueAt(entry)->Number());
     } else {
@@ -1628,7 +1629,7 @@ class DictionaryElementsAccessor
     // Iterate through entire range, as accessing elements out of order is
     // observable
     for (uint32_t k = start_from; k < length; ++k) {
-      int entry = dictionary->FindEntry(k);
+      int entry = dictionary->FindEntry(isolate, k);
       if (entry == SeededNumberDictionary::kNotFound) {
         if (search_for_hole) return Just(true);
         continue;
@@ -1694,7 +1695,7 @@ class DictionaryElementsAccessor
     // Iterate through entire range, as accessing elements out of order is
     // observable.
     for (uint32_t k = start_from; k < length; ++k) {
-      int entry = dictionary->FindEntry(k);
+      int entry = dictionary->FindEntry(isolate, k);
       if (entry == SeededNumberDictionary::kNotFound) {
         continue;
       }