Revert r14930 and r14935 temporarily.

src/mips/lithium-mips.cc

Index: src/mips/lithium-mips.cc
diff --git a/src/mips/lithium-mips.cc b/src/mips/lithium-mips.cc
index 1b94332320c771471abdab247d88e06d21caabc5..9616a3261dd262cbd0f3cd400115067afe586a55 100644
--- a/src/mips/lithium-mips.cc
+++ b/src/mips/lithium-mips.cc
@@ -2338,6 +2338,14 @@ LInstruction* LChunkBuilder::DoStringLength(HStringLength* instr) {
 }
 
 
+LInstruction* LChunkBuilder::DoAllocateObject(HAllocateObject* instr) {
+  info()->MarkAsDeferredCalling();
+  LAllocateObject* result =
+      new(zone()) LAllocateObject(TempRegister(), TempRegister());
+  return AssignPointerMap(DefineAsRegister(result));
+}
+
+
 LInstruction* LChunkBuilder::DoAllocate(HAllocate* instr) {
   info()->MarkAsDeferredCalling();
   LOperand* size = instr->size()->IsConstant()