[Issue 23274] [REG2.099] Wrong call resolution (ambiguity) with const and non-const methods

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23274

--- Comment #1 from johanengelen at weka.io ---
I'm not 100% what should happen here, so please think very carefully about if
this is valid or invalid code. If valid, what function call should happen.
(please think for more than 5 minutes)

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