[clang] [Clang] Fix crash due to invalid source location in __is_trivially_equality_comparable (PR #107815)

[Dimitry Andric via cfe-commits]

https://github.com/DimitryAndric approved this pull request.

Seems reasonable, and it fixes both my minimized test case, and the full original test case.

https://github.com/llvm/llvm-project/pull/107815