[clang] [clang] Fix heap-use-after-free in TryAnnotateTypeOrScopeTokenAfterScopeSpec (PR #124521)

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Shivam7-1 wrote:

> You need to add a test. We have ASan buildbots, but they only run post-merge. You can use `LLVM_USE_SANITIZER` [CMake option](https://llvm.org/docs/CMake.html#:~:text=llvm_use_sanitizer%3Astring) to check locally that Clang crashes on your test without the fix.

Hii @Endilll Thanks for Response Can you provide steps to do it ?

https://github.com/llvm/llvm-project/pull/124521