Issue #15876 has been updated by mame (Yusuke Endoh).


@grosser, could you elaborate your problem?  I cannot reproduce the warning.  What warning did you see?  And how?

```
s1 = 1.to_s
p s1.encoding #=> #<Encoding:US-ASCII>

s2 = "1"
p s2.encoding #=> #<Encoding:UTF-8>

p s1 == s2 #=> true with no warning
```

----------------------------------------
Bug #15876: 1.to_s.encoding != Encoding.default_internal
https://bugs.ruby-lang.org/issues/15876#change-78226

* Author: grosser (Michael Grosser)
* Status: Open
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: 2.6.3
* Backport: 2.4: UNKNOWN, 2.5: UNKNOWN, 2.6: UNKNOWN
----------------------------------------
I ran into strange looking test output when I compared .to_s with an expected text, saying that the encoding was different, which is confusing/annoying especially to users that don't know how encodings work in ruby.
1.to_s.encoding should be the same as "".encoding



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