[clang] [llvm] [BasicAA] Fix miscompilation with setjmp/longjmp due to missing longjmp re-entry paths in alias analysis (PR #212297)

[Eli Friedman via cfe-commits]

https://github.com/efriedma-quic approved this pull request.

LGTM

Perf comparison: https://llvm-compile-time-tracker.com/compare.php?from=87afb37e3f032af3107dbda6bc0da53460f0407f&to=76a19046cad4055a5033e604673e91547eedf5bb&stat=instructions:u

https://github.com/llvm/llvm-project/pull/212297