Revert of Merged: Squashed multiple commits.

src/compiler/js-create-lowering.cc

Index: src/compiler/js-create-lowering.cc
diff --git a/src/compiler/js-create-lowering.cc b/src/compiler/js-create-lowering.cc
index 80105aebb422384426baf86f746871c018fb6ce7..f3ceb2b0c0858348eebb2930c22afb1d305ad8ed 100644
--- a/src/compiler/js-create-lowering.cc
+++ b/src/compiler/js-create-lowering.cc
@@ -1097,7 +1097,17 @@
   ElementAccess access = IsFastDoubleElementsKind(elements_kind)
                              ? AccessBuilder::ForFixedDoubleArrayElement()
                              : AccessBuilder::ForFixedArrayElement();
-  Node* value = jsgraph()->TheHoleConstant();
+  Node* value;
+  if (IsFastDoubleElementsKind(elements_kind)) {
+    // Load the hole NaN pattern from the canonical location.
+    value = effect = graph()->NewNode(
+        simplified()->LoadField(AccessBuilder::ForExternalDoubleValue()),
+        jsgraph()->ExternalConstant(
+            ExternalReference::address_of_the_hole_nan()),
+        effect, control);
+  } else {
+    value = jsgraph()->TheHoleConstant();
+  }
 
   // Actually allocate the backing store.
   AllocationBuilder a(jsgraph(), effect, control);
@@ -1245,9 +1255,18 @@
   if (elements_map->instance_type() == FIXED_DOUBLE_ARRAY_TYPE) {
     Handle<FixedDoubleArray> elements =
         Handle<FixedDoubleArray>::cast(boilerplate_elements);
+    Node* the_hole_value = nullptr;
     for (int i = 0; i < elements_length; ++i) {
       if (elements->is_the_hole(i)) {
-        elements_values[i] = jsgraph()->TheHoleConstant();
+        if (the_hole_value == nullptr) {
+          // Load the hole NaN pattern from the canonical location.
+          the_hole_value = effect = graph()->NewNode(
+              simplified()->LoadField(AccessBuilder::ForExternalDoubleValue()),
+              jsgraph()->ExternalConstant(
+                  ExternalReference::address_of_the_hole_nan()),
+              effect, control);
+        }
+        elements_values[i] = the_hole_value;
       } else {
         elements_values[i] = jsgraph()->Constant(elements->get_scalar(i));
       }