[Issue 17541] Function attribute deduction depends on compile invocation

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=17541

--- Comment #11 from Walter Bright <bugzilla at digitalmars.com> ---
I cannot reproduce the problem. The previous fix I pushed was wrong.

The pragma(msg, insertabcdefg.mangleof) gives the wrong name mangling, as it
happens before the inference is complete. The compiler should give an error for
that.

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