[clang] [Clang] Fix __is_trivially_equality_comparable returning true with ineligebile defaulted overloads (PR #93113)

[Nikolas Klauser via cfe-commits]

philnik777 wrote:

@ZequanWu I can't successfully build your reproducer with clang trunk. Would it be possible to provide the full test case or a fully reduced one?

https://github.com/llvm/llvm-project/pull/93113