skip marking for uninitialized imemo_env.
RUBY_INTERNAL_EVENT_NEWOBJ can expose uninitialized imemo_env objects and marking it will cause critical error. This patch skips marking on uninitialized imemo_env.
See: http://rubyci.s3.amazonaws.com/centos7/ruby-master/log/20210329T183003Z.fail.html.gz
Shortest repro-code is provided by mame-san.
Added by ko1 (Koichi Sasada) over 4 years ago
skip marking for uninitialized imemo_env.
RUBY_INTERNAL_EVENT_NEWOBJ can expose uninitialized imemo_env
objects and marking it will cause critical error. This patch
skips marking on uninitialized imemo_env.
See: http://rubyci.s3.amazonaws.com/centos7/ruby-master/log/20210329T183003Z.fail.html.gz
Shortest repro-code is provided by mame-san.