Implement inlining of constructor calls.

src/arm/lithium-arm.h

Index: src/arm/lithium-arm.h
diff --git a/src/arm/lithium-arm.h b/src/arm/lithium-arm.h
index ab4ecd9e984f859d33d5effb49add92c18aafbf7..3b77d62b2080fe72b75797e9f249b251cabb2471 100644
--- a/src/arm/lithium-arm.h
+++ b/src/arm/lithium-arm.h
@@ -49,6 +49,7 @@ class LCodeGen;
 #define LITHIUM_CONCRETE_INSTRUCTION_LIST(V)    \
   V(AccessArgumentsAt)                          \
   V(AddI)                                       \
+  V(AllocateObject)                             \
   V(ApplyArguments)                             \
   V(ArgumentsElements)                          \
   V(ArgumentsLength)                            \
@@ -1909,6 +1910,19 @@ class LClampTToUint8: public LTemplateInstruction<1, 1, 1> {
 };
 
 
+class LAllocateObject: public LTemplateInstruction<1, 1, 0> {
+ public:
+  explicit LAllocateObject(LOperand* function) {
+    inputs_[0] = function;
+  }
+
+  DECLARE_CONCRETE_INSTRUCTION(AllocateObject, "allocate-object")
+  DECLARE_HYDROGEN_ACCESSOR(AllocateObject)
+
+  LOperand* function() { return inputs_[0]; }
+};
+
+
 class LArrayLiteral: public LTemplateInstruction<1, 0, 0> {
  public:
   DECLARE_CONCRETE_INSTRUCTION(ArrayLiteral, "array-literal")