[PATCH] D66862: Make lround builtin constexpr (and others)

[Craig Topper via Phabricator via cfe-commits]

craig.topper added a comment.

What if the input is nan or infinity or out of range. The spec says an implementation defined value is returned. But we've deferred to whatever library we're compiled with. Which makes our implementation defined behavior outside of clang's control and it now depends on how clang is built.


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  https://reviews.llvm.org/D66862/new/

https://reviews.llvm.org/D66862