[clang] [lldb] [clang][RecordLayoutBuilder] Be stricter about inferring packed-ness in ExternalLayouts (PR #97443)

[Michael Buch via cfe-commits]

Michael137 wrote:

ping

(btw, @labath is the alignment miscalculation still causing issues for you internally? or did you find a workaround?)

https://github.com/llvm/llvm-project/pull/97443