[issue31373] demoting floating float values to unrepresentable types is undefined behavior

[Mark Dickinson]

Mark Dickinson added the comment:

> It's hard to win here I think.

Agreed.

> It seems like the undefined behavior sanitizer is being overzealous when the target supports IEEE754.

Also agreed.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue31373>
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