shopify-scripts: Heap buffer overflow in mruby value_move

Hi: The following program demonstrates heap overflow on current up-to-date master branch mruby at the time of report, Latest commit 8b089c0 Program lead to crash is d 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0...