MIPS: Implement inlined object allocation in Crankshaft.

src/mips/lithium-mips.h

Index: src/mips/lithium-mips.h
diff --git a/src/mips/lithium-mips.h b/src/mips/lithium-mips.h
index cc9d3b107816a22082c253e35da2b304cb193b87..2128ce3e9eb127eb049d7ba773f5dbcaa340b96e 100644
--- a/src/mips/lithium-mips.h
+++ b/src/mips/lithium-mips.h
@@ -1922,8 +1922,13 @@ class LClampTToUint8: public LTemplateInstruction<1, 1, 1> {
 };
 
 
-class LAllocateObject: public LTemplateInstruction<1, 0, 0> {
+class LAllocateObject: public LTemplateInstruction<1, 0, 2> {
  public:
+  LAllocateObject(LOperand* temp1, LOperand* temp2) {
+    temps_[0] = temp1;
+    temps_[1] = temp2;
+  }
+
   DECLARE_CONCRETE_INSTRUCTION(AllocateObject, "allocate-object")
   DECLARE_HYDROGEN_ACCESSOR(AllocateObject)
 };