Avoid one repeated property lookup when computing load ICs.

src/arm64/stub-cache-arm64.cc

Index: src/arm64/stub-cache-arm64.cc
diff --git a/src/arm64/stub-cache-arm64.cc b/src/arm64/stub-cache-arm64.cc
index 32951e5dfbd6513c76f0c0fb74127e458c49b3a2..cdab29a6732e7ecfcab9e62191ac947cefef8993 100644
--- a/src/arm64/stub-cache-arm64.cc
+++ b/src/arm64/stub-cache-arm64.cc
@@ -1195,7 +1195,7 @@ void NamedLoadHandlerCompiler::GenerateLoadViaGetter(
 
 
 Handle<Code> NamedLoadHandlerCompiler::CompileLoadGlobal(
-    Handle<PropertyCell> cell, Handle<Name> name, bool is_dont_delete) {
+    Handle<PropertyCell> cell, Handle<Name> name, bool is_configurable) {
   Label miss;
   FrontendHeader(receiver(), name, &miss);
 
@@ -1205,7 +1205,7 @@ Handle<Code> NamedLoadHandlerCompiler::CompileLoadGlobal(
   __ Ldr(result, FieldMemOperand(result, Cell::kValueOffset));
 
   // Check for deleted property if property can actually be deleted.
-  if (!is_dont_delete) {
+  if (is_configurable) {
     __ JumpIfRoot(result, Heap::kTheHoleValueRootIndex, &miss);
   }