Implement inlined object allocation in Crankshaft.

src/ia32/lithium-ia32.cc

Index: src/ia32/lithium-ia32.cc
diff --git a/src/ia32/lithium-ia32.cc b/src/ia32/lithium-ia32.cc
index 16dc2617ca9ea33e9841e82c88095c23bb0113de..6067848e973ee36cdde3c349f322aeee4b570c14 100644
--- a/src/ia32/lithium-ia32.cc
+++ b/src/ia32/lithium-ia32.cc
@@ -2216,7 +2216,8 @@ LInstruction* LChunkBuilder::DoStringLength(HStringLength* instr) {
 
 LInstruction* LChunkBuilder::DoAllocateObject(HAllocateObject* instr) {
   LOperand* context = UseFixed(instr->context(), esi);
-  LAllocateObject* result = new(zone()) LAllocateObject(context);
+  LOperand* temp = TempRegister();
+  LAllocateObject* result = new(zone()) LAllocateObject(context, temp);
   return AssignPointerMap(DefineAsRegister(result));
 }