[clang] [llvm] [clang][CodeGen] Fix templated constructors in base classes introduce bugs. (PR #87310)

[Eli Friedman via cfe-commits]

efriedma-quic wrote:

We can't just skip compiling part of the code because it's infinite recursion.

It's not clear to me there's really a bug here to solve.  Maybe the compiler can detect simple cases of infinite recursion and print a warning.

https://github.com/llvm/llvm-project/pull/87310