Implement date library functions in C++.

src/arm/lithium-arm.cc

Index: src/arm/lithium-arm.cc
diff --git a/src/arm/lithium-arm.cc b/src/arm/lithium-arm.cc
index 26cfcbd2092e17510eebfb9e481d96089bedefdf..3731516f82511ca8d7f6b3c7bef4d72bad0c87a3 100644
--- a/src/arm/lithium-arm.cc
+++ b/src/arm/lithium-arm.cc
@@ -1602,6 +1602,13 @@ LInstruction* LChunkBuilder::DoValueOf(HValueOf* instr) {
 }
 
 
+LInstruction* LChunkBuilder::DoDateField(HDateField* instr) {
+  LOperand* object = UseFixed(instr->value(), r0);
+  LDateField* result = new LDateField(object, FixedTemp(r1), instr->index());
+  return MarkAsCall(DefineFixed(result, r0), instr);
+}
+
+
 LInstruction* LChunkBuilder::DoBoundsCheck(HBoundsCheck* instr) {
   LOperand* value = UseRegisterAtStart(instr->index());
   LOperand* length = UseRegister(instr->length());