Ruby

Resize ary when Array#sort! block modifies embedded ary

In cases where rb_ary_sort_bang is called with a block and
tmp is an embedded array, we need to account for the block
potentially impacting the capacity of ary.

ex:

var_0 = (1..70).to_a var_0.sort! do |var_0_block_129, var_1_block_129| var_0.pop var_1_block_129 <=> var_0_block_129 end.shift(3) 

The above example can put the array into a corrupted state
resulting in a heap buffer overflow and possible segfault:

ERROR: AddressSanitizer: heap-buffer-overflow on address [...] WRITE of size 560 at 0x60b0000034f0 thread T0 [...] 

This commit adds a conditional to determine when the capacity
of ary has been modified by the provided block. If this is
the case, ensure that the capacity of ary is adjusted to
handle at minimum the len of tmp.