[Issue 13294] [IFTI] IFTI fails or works incorrectly for function with const and mutable `ref` parameters of most types

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=13294

--- Comment #3 from Denis Shelomovskij <verylonglogin.reg at gmail.com> ---
(In reply to Denis Shelomovskij from comment #2)
> (In reply to Denis Shelomovskij from comment #1)
> > For most other types `const` is incorrectly added.
> 
> And because of CTFE issue 13295 all modifications of such variables disappear,
> thus in worst case causing nasty wrong-code bugs.

But as some modifications disappear anyway (because of issue 13297) and thus
one can't reliably use `ref` in CTFE it's probably isn't that big problem.

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