[clang] [clang] [CodeGen] fix crash when Ty isDependentType in CodeGenFunction::EmitAutoVarAlloca (PR #135643)

[Eli Friedman via cfe-commits]

efriedma-quic wrote:

I'm not really sure how to go about reducing a testcase in that case; it's not something I've ever run into myself.  Please post on Discourse (https://discourse.llvm.org/); maybe someone else has some ideas.

https://github.com/llvm/llvm-project/pull/135643