shopify-scripts: SIGSEGV in mrb_vm_exec

PoC: ------------------- The following code triggers the bug attached as testmrbvmexec1296.rb: 0.instanceevalsuper Sandbox: ------------------- x@x:/Desktop/research/mruby-engine/bin$ ./sandbox testmrbvmexec1296.rb ./sandbox:20: BUG Segmentation fault at 0x00000000000028 ruby 2.2.6p396 2016-11-15...