Commits on Dec 4, 2020

1. Do not override Kernel#warn when there is no need …

   * On Ruby implementations where https://bugs.ruby-lang.org/issues/17259
     is available, backtrace entries starting with `<internal:` are ignored
     for Kernel#warn. We can then define RubyGems's Kernel#require with
     such a filename and it will automatically be skipped for Kernel#warn.
   * This is much less fragile (overriding Kernel#warn causes multiple
     issues and is very difficult to do properly) and it is also more
     efficient (the override would walk the stack multiple times).

   

   eregon committed Dec 4, 2020
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   9124370 View commit details

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2. Fix typo in Kernel#warn test

   

   eregon committed Dec 4, 2020
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   09726ae View commit details

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3. module_eval + heredoc needs to use __LINE__ + 1 for correct line numbers

   

   eregon committed Dec 4, 2020
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   1d8375b View commit details

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