[Issue 20449] integer literal specification and implementation differs

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20449

--- Comment #4 from berni44 <bugzilla at d-ecke.de> ---
(In reply to Walter Bright from comment #3)
> I changed this to a spec bug, rather than a compiler bug.

Nitpicking, but: It was a spec bug from the very beginning and I was surprised
to see an implementation fix PR...

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