Disallow dereferencing deferred handles when generating optimized code.

src/ia32/lithium-codegen-ia32.h

Index: src/ia32/lithium-codegen-ia32.h
diff --git a/src/ia32/lithium-codegen-ia32.h b/src/ia32/lithium-codegen-ia32.h
index 345e945f98dc7dc2f802d2d5b66ecbd127ab373f..5b44d87b08a4a8caf16a7d308daf22766ad98796 100644
--- a/src/ia32/lithium-codegen-ia32.h
+++ b/src/ia32/lithium-codegen-ia32.h
@@ -264,6 +264,7 @@ class LCodeGen BASE_EMBEDDED {
   // Generate a direct call to a known function.  Expects the function
   // to be in edi.
   void CallKnownFunction(Handle<JSFunction> function,
+                         int formal_parameter_count,
                          int arity,
                          LInstruction* instr,
                          CallKind call_kind,