[strong] Check arity of functions

src/messages.js

Index: src/messages.js
diff --git a/src/messages.js b/src/messages.js
index 71a132563aa1da74cd07a7a61ea69e89d0e7bcb2..3b0e872ec4accc25a40aa15c6b4ddf6aef9080f6 100644
--- a/src/messages.js
+++ b/src/messages.js
@@ -182,6 +182,7 @@ var kMessages = {
   strong_constructor_this:       ["In strong mode, 'this' can only be used to initialize properties, and cannot be nested inside another statement or expression"],
   strong_constructor_return_value: ["In strong mode, returning a value from a constructor is deprecated"],
   strong_constructor_return_misplaced: ["In strong mode, returning from a constructor before its super constructor invocation or all assignments to 'this' is deprecated"],
+  strong_mode_too_few_arguments: ["In strong mode, calling a function with too few arguments is deprecated"],

[rossberg, 2015/05/05 14:26:19]

Nit: strong_arity

[arv (Not doing code reviews), 2015/05/05 16:46:29]

Done.

   sloppy_lexical:                ["Block-scoped declarations (let, const, function, class) not yet supported outside strict mode"],
   malformed_arrow_function_parameter_list: ["Malformed arrow function parameter list"],
   cant_prevent_ext_external_array_elements: ["Cannot prevent extension of an object with external array elements"],