[libcxx-commits] [clang] [libcxx] [Clang] Allow __builtin_fma/fmaf/fmal to be used in a constant expression (PR #158048)

[Joshua Cranmer via libcxx-commits]

jcranmer-intel wrote:

> Perhaps that is how you read the intent; however, the wording is clear that standard library calls are only subject to `FENV_ROUND` behaviour when they _are_ macro-replaced (by macros defined by the C library headers).

`__builtin_fma` is not a standard library call, nor is it a function call.


https://github.com/llvm/llvm-project/pull/158048