[clang] [Clang] Fix null pointer dereference in enum debug info generation (PR #105556)

[Paul T Robinson via cfe-commits]

pogo59 wrote:

The patch title and description claims more than it actually does. The assertion does not "fix" or prevent a null dereference, it's simply documenting a requirement. Please update the title and description.

https://github.com/llvm/llvm-project/pull/105556