Version 4.8.271.9 (cherry-pick)

src/crankshaft/x64/lithium-x64.cc

Index: src/crankshaft/x64/lithium-x64.cc
diff --git a/src/crankshaft/x64/lithium-x64.cc b/src/crankshaft/x64/lithium-x64.cc
index 1e3e52b47cad02960c944ad22cf873d1bf560dbe..76df55dcef2d8eb989ceb78a549d9aaae2227780 100644
--- a/src/crankshaft/x64/lithium-x64.cc
+++ b/src/crankshaft/x64/lithium-x64.cc
@@ -2203,7 +2203,7 @@ LInstruction* LChunkBuilder::DoLoadKeyed(HLoadKeyed* instr) {
 
   if (!instr->is_fixed_typed_array()) {
     LOperand* obj = UseRegisterAtStart(instr->elements());
-    result = DefineAsRegister(new(zone()) LLoadKeyed(obj, key));
+    result = DefineAsRegister(new (zone()) LLoadKeyed(obj, key, nullptr));
   } else {
     DCHECK(
         (instr->representation().IsInteger32() &&
@@ -2211,7 +2211,9 @@ LInstruction* LChunkBuilder::DoLoadKeyed(HLoadKeyed* instr) {
         (instr->representation().IsDouble() &&
          (IsDoubleOrFloatElementsKind(elements_kind))));
     LOperand* backing_store = UseRegister(instr->elements());
-    result = DefineAsRegister(new(zone()) LLoadKeyed(backing_store, key));
+    LOperand* backing_store_owner = UseAny(instr->backing_store_owner());
+    result = DefineAsRegister(
+        new (zone()) LLoadKeyed(backing_store, key, backing_store_owner));
   }
 
   bool needs_environment;
@@ -2283,7 +2285,7 @@ LInstruction* LChunkBuilder::DoStoreKeyed(HStoreKeyed* instr) {
       }
     }
 
-    return new(zone()) LStoreKeyed(object, key, val);
+    return new (zone()) LStoreKeyed(object, key, val, nullptr);
   }
 
   DCHECK(
@@ -2307,7 +2309,8 @@ LInstruction* LChunkBuilder::DoStoreKeyed(HStoreKeyed* instr) {
         : UseRegisterOrConstantAtStart(instr->key());
   }
   LOperand* backing_store = UseRegister(instr->elements());
-  return new(zone()) LStoreKeyed(backing_store, key, val);
+  LOperand* backing_store_owner = UseAny(instr->backing_store_owner());
+  return new (zone()) LStoreKeyed(backing_store, key, val, backing_store_owner);
 }