[Issue 22937] identity comparison of strings / struct literals not constant folded

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=22937

--- Comment #2 from Dennis <dkorpel at live.nl> ---
(In reply to mhh from comment #1)
> The frontend should be doing less constant folding not more.

Which operator/type combinations should be constant folded, and why? To me, it
would make sense to constant fold all built in operators on literal values. I
don't expect the compiler to ever generate a runtime addition for '3 + 4', even
in debug builds.

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