[llvm] clang crash assigning to a global named register variable #109778 (PR #113105)

[David Spickett via llvm-commits]

DavidSpickett wrote:

>So you are saying instead of checking error for each individual targets, check in the Target Lowering base class itself?

Yes.

Though the more I look at this the more tricky this seems. With some targets separating ABI reserved registers and user reserved registers, but some don't. Improving the error message for one target is still an improvement though.

https://github.com/llvm/llvm-project/pull/113105