518adcca0a
dbe232e24e
518adcca0a: "Try using arm32 implementation for fibers." dbe232e24e: "Order of arguments might be incorrect in arm32 coroutine implementation." It seems to cause SEGV consistently on Ubuntu armv7l eabihf: https://rubyci.org/logs/rubyci.s3.amazonaws.com/scw-9d6766/ruby-master/log/20190625T081710Z.fail.html.gz https://rubyci.org/logs/rubyci.s3.amazonaws.com/scw-9d6766/ruby-master/log/20190625T111708Z.fail.html.gz