mattn/mruby-json — pull request #4 by h2so5 (2013-06-16 15:30:38+00:00)
Title: Remove dangerous mrb_gc_arena_restore

```mrb_gc_arena_restore``` cancels a GC protection from ``` value ```,
and so ``` value ``` can be removed in the C function.

```bash
bin/mirb
mirb - Embeddable Interactive Ruby Shell

This is a very early version, please test and report errors.
Thanks :)

> loop { JSON.stringify({a: "\n"}) }
Segmentation fault: 11
```