Implement ICs for constructor calls.

src/ia32/macro-assembler-ia32.h

Index: src/ia32/macro-assembler-ia32.h
diff --git a/src/ia32/macro-assembler-ia32.h b/src/ia32/macro-assembler-ia32.h
index 03ec28a8a14ea6896a23796eaa672c48f2bc467d..ac56c347eb4aee506c85d687669ea3f1a1d224b6 100644
--- a/src/ia32/macro-assembler-ia32.h
+++ b/src/ia32/macro-assembler-ia32.h
@@ -284,6 +284,13 @@ class MacroAssembler: public Assembler {
                       const CallWrapper& call_wrapper,
                       CallKind call_kind);
 
+  // Invoke the JavaScript function as a constructor by dispatching to
+  // the function-specific construct stub.
+  void InvokeConstruct(Register function, const ParameterCount& actual);
+
+  void InvokeConstruct(Handle<JSFunction> function,
+                       const ParameterCount& actual);
+
   // Invoke specified builtin JavaScript function. Adds an entry to
   // the unresolved list if the name does not resolve.
   void InvokeBuiltin(Builtins::JavaScript id,