[clang] [alpha.webkit.UncountedLocalVarsChecker] Handle null Type in CanTriviallyDestruct (PR #182129)

[Balázs Benics via cfe-commits]

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

Yea, let's put another bandaid on this. Why not.

https://github.com/llvm/llvm-project/pull/182129