[clang] [clang][dataflow] Retrieve members from accessors called using member… (PR #73978)

[via cfe-commits]

dyung wrote:

@bazuzi  and @martinboehme this change seems to be causing a test failure on many bots. Can you take a look and revert if you need time to investigate?

- https://lab.llvm.org/buildbot/#/builders/139/builds/54773
- https://lab.llvm.org/buildbot/#/builders/216/builds/31319
- https://lab.llvm.org/buildbot/#/builders/275/builds/1805
- https://lab.llvm.org/buildbot/#/builders/164/builds/47155
- https://lab.llvm.org/buildbot/#/builders/245/builds/17508
- https://lab.llvm.org/buildbot/#/builders/258/builds/10506
- https://lab.llvm.org/buildbot/#/builders/230/builds/22088
- https://lab.llvm.org/buildbot/#/builders/109/builds/78839
- https://lab.llvm.org/buildbot/#/builders/272/builds/2382

https://github.com/llvm/llvm-project/pull/73978