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

[David Spickett via llvm-commits]

DavidSpickett wrote:

At least my own approach here would be to write a test case that matches the reported issue and find something that makes that new test pass while not breaking the other tests.

It's possible the existing tests are invalid, but I try to first make sure it is not my own understanding at fault.

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