[clang] [clang][Sema] Fix rejection of non-dependent void{} during template instantiation (PR #228340)

[Ivy Xu via cfe-commits]

IvyXu420 wrote:

> If that is too heavy weight, I'd rather we add a CXXFunctionalCastExpr::CreateListInitializer(...) function to use instead of using a null SourceLocation for the parens as a side channel.

I concur. I pushed a commit for that.




https://github.com/llvm/llvm-project/pull/228340