llvm-project

dde474cf - [CIR] Make ClangIR compatible with latest nested name specifier AST representation (#152846)

[CIR] Make ClangIR compatible with latest nested name specifier AST representation (#152846) After AST representation, new modifications landed in (https://github.com/llvm/llvm-project/pull/147835). ClangIR requires some changes in how we use Clang AST to be compatible with the new changes