[clang] [clang-tools-extra] [clang][AST] Fix source range of class template implicit instantiations. (PR #156011)

[Fred Tingaud via cfe-commits]

frederic-tingaud-sonarsource wrote:

OK, I understand.
Could you point me to where that pattern selection happens? I will not be able to work on that PR for two weeks but I can go back on it afterward.

https://github.com/llvm/llvm-project/pull/156011