[clang] [clang][Sema] fix crash on __type_pack_element with dependent packs (GH180307) (PR #180407)

[via cfe-commits]

Serosh-commits wrote:

> I believe the better fix would be on entry to `checkBuiltinTemplateIdType` -- there's not really a good reason to not just make the fix universal.

@ojhunt 

> I believe the better fix would be on entry to `checkBuiltinTemplateIdType` -- there's not really a good reason to not just make the fix universal.

good point  thanks for ur advice i moved the dependency check to the entry point so it’s universal now it definitely makes the code cleaner since i could remove the duplicated checks in the other builtins. let me know if this looks better to you.

https://github.com/llvm/llvm-project/pull/180407