[clang] [clang][AST] Handle dependent representation of call to function with explicit object parameter in CallExpr::getBeginLoc() (PR #126868)

[Shafik Yaghmour via cfe-commits]

shafik wrote:

Can we please add more details in the summary about e.g. "This fixes a crash when ... and the fix is ..." 

https://github.com/llvm/llvm-project/pull/126868