Revert of [builtins] Refactor the remaining Date builtins.

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 3c932a24abde50fc7fc6115e5dec6cb891b6270b..1bf1acd766d1c38e4f6c8acbdbb3344da0ea7f7c 100644
--- a/src/crankshaft/x64/lithium-x64.cc
+++ b/src/crankshaft/x64/lithium-x64.cc
@@ -1776,6 +1776,13 @@
 LInstruction* LChunkBuilder::DoMapEnumLength(HMapEnumLength* instr) {
   LOperand* map = UseRegisterAtStart(instr->value());
   return DefineAsRegister(new(zone()) LMapEnumLength(map));
+}
+
+
+LInstruction* LChunkBuilder::DoDateField(HDateField* instr) {
+  LOperand* object = UseFixed(instr->value(), rax);
+  LDateField* result = new(zone()) LDateField(object, instr->index());
+  return MarkAsCall(DefineFixed(result, rax), instr, CANNOT_DEOPTIMIZE_EAGERLY);
 }