[clang] [Clang][AST] Add source range for deleted and defaulted functions (PR #205408)

[Shreyansh Lodha via cfe-commits]

lodha1503 wrote:

@AaronBallman @cor3ntin @zwuis 

Addressed the review comments. Fixed the source range for = delete("reason") in inline methods by computing the range end after parsing the delete message, consistent with the approach in Parser.cpp. All AST tests pass.

Thank you .

https://github.com/llvm/llvm-project/pull/205408