[ruby-cvs:72279] k0kubun:r65179 (trunk): mjit.c: don't let MJIT.pause hang on full active units

[k0kubun at ruby-lang.org]

k0kubun	2018-10-20 00:08:55 +0900 (Sat, 20 Oct 2018)

  New Revision: 65179

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=65179

  Log:
    mjit.c: don't let MJIT.pause hang on full active units
    
    test/ruby/test_rubyvm_mjit.rb: add reproductive test
    
    [Bug #15071]

  Modified files:
    trunk/mjit.c
    trunk/test/ruby/test_rubyvm_mjit.rb