[Issue 23846] std.math can't compile under macos rosetta

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23846

--- Comment #6 from mhh <maxhaton at gmail.com> ---
It isn't enough to check ERANGE - underflow can (I think it's implementation
defined) trigger ERANGE but if the result is nonzero it's still supposed to be
correctly rounded.

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