[clang] [clang] fix(85447): clang 18.1.0 crashes in clang::ASTContext::getTypeInfoImpl (PR #89850)

[via cfe-commits]

cor3ntin wrote:

@a-tarasyuk in `clang/docs/ReleaseNotes.rst`, you should add an entry in the "Bug Fixes to C++ Support" section.
it should be a short description indicating `Fixes (#GH85447)`

https://github.com/llvm/llvm-project/pull/89850