Reland 21774: Generate KeyedLoadGeneric with Hydrogen

src/x64/lithium-x64.cc

Index: src/x64/lithium-x64.cc
diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc
index eb005931a272cd6a7b27c2a5de313b63ae6483ff..78c914ededc4c16d721d52e53de8b9b4b810a317 100644
--- a/src/x64/lithium-x64.cc
+++ b/src/x64/lithium-x64.cc
@@ -394,7 +394,7 @@ void LLoadKeyed::PrintDataTo(StringStream* stream) {
   stream->Add("[");
   key()->PrintTo(stream);
   if (hydrogen()->IsDehoisted()) {
-    stream->Add(" + %d]", additional_index());
+    stream->Add(" + %d]", base_offset());
   } else {
     stream->Add("]");
   }
@@ -406,7 +406,7 @@ void LStoreKeyed::PrintDataTo(StringStream* stream) {
   stream->Add("[");
   key()->PrintTo(stream);
   if (hydrogen()->IsDehoisted()) {
-    stream->Add(" + %d] <-", additional_index());
+    stream->Add(" + %d] <-", base_offset());
   } else {
     stream->Add("] <- ");
   }