[Issue 12777] const/immutable member function violating its const-ness - confusing error message

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=12777

--- Comment #1 from Ivan Kazmenko <gassa at mail.ru> ---
Created attachment 1357
  --> https://issues.dlang.org/attachment.cgi?id=1357&action=edit
source code of the demonstrating example

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