Fix warn polyfill when no uplevel is provided #3647
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JRuby can't handle this is seems... |
Earlopain
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Prism 1.5.0 polyfills `warn` in an incompatible way: ruby/prism#3647
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Prism 1.5.0 polyfills `warn` in an incompatible way: ruby/prism#3647
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Earlopain
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Prism 1.5.0 polyfills `warn` in an incompatible way: ruby/prism#3647
Earlopain
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Prism 1.5.0 polyfills `warn` in an incompatible way: ruby/prism#3647
kddnewton
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Sep 14, 2025
An unspecified uplevel is not the same as an uplevel of 1:
```
$ irb
irb(main):001> warn("foo")
foo
=> nil
irb(main):002> warn("foo", uplevel: 1)
/home/user/.rbenv/versions/2.7.8/lib/ruby/gems/2.7.0/gems/irb-1.14.0/lib/irb/workspace.rb:121: warning: foo
=> nil
```
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Prism 1.5.0 polyfills `warn` in an incompatible way: ruby/prism#3647 Based on Earlopain's commit on RuboCop.
tompng
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Fix JRuby ci failure
```
Failure: test_check_files_warn(RDocOptionsTest)
/home/runner/work/rdoc/rdoc/test/rdoc/rdoc_options_test.rb:50:in 'test_check_files_warn'
49: assert_empty out
=> 50: assert_equal "file 'nonexistent' not found\n", err
51: assert_empty @options.files
52: end
<"file 'nonexistent' not found\n"> expected but was
<"/home/runner/work/rdoc/rdoc/lib/rdoc/options.rb:1370: warning: file 'nonexistent' not found\n">
```
Related to ruby/prism#3647
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An unspecified uplevel is not the same as an uplevel of 1:
cc @koic