From: merch-redmine@...
Date: 2019-08-10T18:44:09+00:00
Subject: [ruby-core:94252] [Ruby master Bug#9017] irb crash with message "... 'join': incompatible character encodings: ASCII-8BIT and UTF-8 ..."

Issue #9017 has been updated by jeremyevans0 (Jeremy Evans).

Backport deleted (1.9.3: UNKNOWN, 2.0.0: UNKNOWN)
Status changed from Open to Closed

This was fixed between Ruby 2.0 and 2.1:

```
$ irb20 -I pyper/lib -r pyper 
irb(main):001:0> [''].��ms�� # �� is Greek tau
ArgumentError: no method name given
/usr/local/lib/ruby/2.0/irb.rb:526:in `join': incompatible character encodings: ASCII-8BIT and UTF-8 (Encoding::CompatibilityError)
        from /usr/local/lib/ruby/2.0/irb.rb:526:in `block (2 levels) in eval_input'
        from /usr/local/lib/ruby/2.0/irb.rb:624:in `signal_status'
        from /usr/local/lib/ruby/2.0/irb.rb:489:in `block in eval_input'
        from /usr/local/lib/ruby/2.0/irb/ruby-lex.rb:247:in `block (2 levels) in each_top_level_statement'
        from /usr/local/lib/ruby/2.0/irb/ruby-lex.rb:233:in `loop'
        from /usr/local/lib/ruby/2.0/irb/ruby-lex.rb:233:in `block in each_top_level_statement'
        from /usr/local/lib/ruby/2.0/irb/ruby-lex.rb:232:in `catch'
        from /usr/local/lib/ruby/2.0/irb/ruby-lex.rb:232:in `each_top_level_statement'
        from /usr/local/lib/ruby/2.0/irb.rb:488:in `eval_input'
        from /usr/local/lib/ruby/2.0/irb.rb:397:in `block in start'
        from /usr/local/lib/ruby/2.0/irb.rb:396:in `catch'
        from /usr/local/lib/ruby/2.0/irb.rb:396:in `start'
        from /usr/local/bin/irb20:12:in `<main>'
$ irb21 -I pyper/lib -r pyper 
irb(main):001:0> [''].��ms�� # �� is Greek tau
ArgumentError: no method name given
        from (eval):9:in `block in ��ms��'
        from (eval):6:in `map'
        from (eval):6:in `��ms��'
        from /path/lib/pyper.rb:165:in `method_missing'
        from (irb):1
        from /usr/local/bin/irb21:11:in `<main>'
```

----------------------------------------
Bug #9017: irb crash with message "... 'join': incompatible character encodings: ASCII-8BIT and UTF-8 ..."
https://bugs.ruby-lang.org/issues/9017#change-80568

* Author: Anonymous
* Status: Closed
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: 2.0.0p247
* Backport: 
----------------------------------------
With Pyper gem that I wrote, irb crashes as follows:

require 'pyper' # gem install pyper if necessary
[''].��ms�� # �� is Greek tau
#=> irb crashes:
ArgumentError: no method name given
/usr/local/lib/ruby/2.0.0/irb.rb:526:in `join': incompatible character encodings: ASCII-8BIT and UTF-8 (Encoding::CompatibilityError)
	from /usr/local/lib/ruby/2.0.0/irb.rb:526:in `block (2 levels) in eval_input'
	from /usr/local/lib/ruby/2.0.0/irb.rb:624:in `signal_status'
	from /usr/local/lib/ruby/2.0.0/irb.rb:489:in `block in eval_input'
	from /usr/local/lib/ruby/2.0.0/irb/ruby-lex.rb:247:in `block (2 levels) in each_top_level_statement'
	from /usr/local/lib/ruby/2.0.0/irb/ruby-lex.rb:233:in `loop'
	from /usr/local/lib/ruby/2.0.0/irb/ruby-lex.rb:233:in `block in each_top_level_statement'
	from /usr/local/lib/ruby/2.0.0/irb/ruby-lex.rb:232:in `catch'
	from /usr/local/lib/ruby/2.0.0/irb/ruby-lex.rb:232:in `each_top_level_statement'
	from /usr/local/lib/ruby/2.0.0/irb.rb:488:in `eval_input'
	from /usr/local/lib/ruby/2.0.0/irb.rb:397:in `block in start'
	from /usr/local/lib/ruby/2.0.0/irb.rb:396:in `catch'
	from /usr/local/lib/ruby/2.0.0/irb.rb:396:in `start'
	from /usr/local/bin/irb:12:in `<main>'

ruby -v
#=> ruby 2.0.0p247 (2013-06-27 revision 41674) [i686-linux]
irb -v
#=> 0.9.6(09/06/30)




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