Increase the "local variables in a function" limit.

src/messages.js

Index: src/messages.js
diff --git a/src/messages.js b/src/messages.js
index e6365a441e32c732ab2a0aad9a455a2523fdebbe..bc1478527f45677e968d9dd61377ce29132ffd1f 100644
--- a/src/messages.js
+++ b/src/messages.js
@@ -157,7 +157,7 @@ var kMessages = {
   strict_eval_arguments:         ["Unexpected eval or arguments in strict mode"],
   too_many_arguments:            ["Too many arguments in function call (only 65535 allowed)"],
   too_many_parameters:           ["Too many parameters in function definition (only 65535 allowed)"],
-  too_many_variables:            ["Too many variables declared (only 131071 allowed)"],
+  too_many_variables:            ["Too many variables declared (only 4194303 allowed)"],
   strict_param_dupe:             ["Strict mode function may not have duplicate parameter names"],
   strict_octal_literal:          ["Octal literals are not allowed in strict mode."],
   strict_duplicate_property:     ["Duplicate data property in object literal not allowed in strict mode"],