SIGSEGV in array_copy - array.c:71

File [2] as input causes a segfault in mruby. mruby crashes in ary_copy (array.c:71): ``` Program received signal SIGSEGV, Segmentation fault. 0x000000000040e088 in array_copy (src=<optimized out>, size=<optimized out>, dst=<optimized out>) at /tmp/mruby/src/array.c:71 71 dst[i] = src[i]; ``` Test platform: Linux 3.16.0-4-amd64 #1 SMP Debian 3.16.39-1+deb8u1 x86_64 GNU/Linux