[clang] [Clang][CodeGen] Fix crash on value-dependent initializer during error recovery (PR #181561)

[Shafik Yaghmour via cfe-commits]

https://github.com/shafik commented:

This looks like it was LLM generated, please see our [LLVM AI Tool Use Policy](https://llvm.org/docs/AIToolPolicy.html)

https://github.com/llvm/llvm-project/pull/181561