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Revision ac84c2ae

Added by nagachika (Tomoyuki Chikanaga) about 6 years ago

merge revision(s) 58471,58493: [Backport #13505]

    load.c: backtrace of circular require

    * load.c (load_lock): print backtrace of circular require via
      `Warning.warn` [ruby-core:80850] [Bug #13505]

    Send the backtrace of the circular require warning as a single String to Warning.warn

    * load.c: send as a single string.
    * error.c: expose the string formatted by rb_warning as rb_warning_string().
    * test/ruby/test_exception.rb: update tests.
      [ruby-core:80850] [Bug #13505]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@62435 b2dd03c8-39d4-4d8f-98ff-823fe69b080e