Segmentation fault #144
Description
The attached file will segfault with the C++ compressor, at least on my machine.
$ uname -a
Darwin upo.lan 18.5.0 Darwin Kernel Version 18.5.0: Mon Mar 11 20:40:32 PDT 2019; root:xnu-4903.251.3~3/RELEASE_X86_64 x86_64 i386 MacBookPro9,2 Darwin
$ compreffor -v -v -v -n 2 Test.otf FallbackPlus-Regular2.otf
Compressing font through C++ Compreffor
Took 0.155s to produce data for C++ library
[1] 46636 segmentation fault compreffor -v -v -v -n 2 master_otf/Test.otf FallbackPlus-Regular2.otf