mjit.c: don't let MJIT.pause hang on full active units
test/ruby/test_rubyvm_mjit.rb: add reproductive test
[Bug #15071]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65179 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
mjit.c: don't let MJIT.pause hang on full active units
test/ruby/test_rubyvm_mjit.rb: add reproductive test
[Bug #15071]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65179 b2dd03c8-39d4-4d8f-98ff-823fe69b080e