[llvm-branch-commits] [clang] [Clang] Improve type traits recognition in `__has_builtin` (#111516) (PR #111660)

[Ye Luo via llvm-branch-commits]

ye-luo wrote:

I tried __reference_converts_from_temporary https://godbolt.org/z/TPjbqWT67
18.1.0, 19.1.0 both return false
19.1.2 and main returns true.
I have no issue with __has_builtin fixed in the main but the resulted behavior change in a point release is a bit trouble some.

https://github.com/llvm/llvm-project/pull/111660