llvm dev - Jan 2021 - Regarding PointerToMember CXXBaseSpecifiers

Hi everyone,
I was working on a fix for #48739 (
https://bugs.llvm.org/show_bug.cgi?id=48739), which is about an assertion
failure triggered by PointerToMember. Going by the docs for PointerToMember
at
https://clang.llvm.org/doxygen/classclang_1_1ento_1_1nonloc_1_1PointerToMember.html#details,
the list of CXXBaseSpecifiers is for *holding the history of casts applied*.
However, it seems that the list also holds a list of the base classes of
the class whose member we are pointing to. My reasoning is summarised at
https://reviews.llvm.org/D95307 on my comment on Jan 26.
Am I missing something or is my analysis right?
Warm Regards,
Deep
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