[clang] [clang][HeuristicResolver] Track the expression whose type is being simplified after each step in simplifyType() (PR #126689)

[Younan Zhang via cfe-commits]

https://github.com/zyn0217 approved this pull request.

Thanks for the prompt fix. The explanation makes sense to me, however please wait for @kadircet to confirm this fixes their problems.

https://github.com/llvm/llvm-project/pull/126689