Implement ICs for constructor calls.

src/ia32/builtins-ia32.cc

Index: src/ia32/builtins-ia32.cc
diff --git a/src/ia32/builtins-ia32.cc b/src/ia32/builtins-ia32.cc
index e12e79af765225a03cf79d2fc763e2c0742a8448..6dc8b18f14cf34107604be62e228510fd0a4053f 100644
--- a/src/ia32/builtins-ia32.cc
+++ b/src/ia32/builtins-ia32.cc
@@ -88,10 +88,8 @@ void Builtins::Generate_JSConstructCall(MacroAssembler* masm) {
   __ j(not_equal, &slow);
 
   // Jump to the function-specific construct stub.
-  __ mov(ebx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
-  __ mov(ebx, FieldOperand(ebx, SharedFunctionInfo::kConstructStubOffset));
-  __ lea(ebx, FieldOperand(ebx, Code::kHeaderSize));
-  __ jmp(ebx);
+  ParameterCount actual(eax);
+  __ InvokeConstruct(edi, actual);
 
   // edi: called object
   // eax: number of arguments
@@ -118,6 +116,11 @@ void Builtins::Generate_JSConstructCall(MacroAssembler* masm) {
 static void Generate_JSConstructStubHelper(MacroAssembler* masm,
                                            bool is_api_function,
                                            bool count_constructions) {
+  // ----------- S t a t e -------------
+  //  -- eax: number of arguments
+  //  -- edi: constructor function
+  // -----------------------------------
+
   // Should never count constructions for api objects.
   ASSERT(!is_api_function || !count_constructions);