jkorous added a comment.

In D78760#2003118 <https://reviews.llvm.org/D78760#2003118>, @rsmith wrote:

> If so, we'll need to make sure that all code that iterates over base classes 
> checks for this condition (I bet there are more cases than the two that you 
> found).


Just a potentially related thought: I was recently trying to understand under 
what circumstances should I expect `CXXBaseSpecifier::getType()` to return 
`QualType` instance for which `isNull()` could be `true`. I gave up and don't 
make any assumption.
Would the suggested change affect this?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D78760/new/

https://reviews.llvm.org/D78760



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