[LLDB] CPlusPlusNameParser does not handles templated operator< properly
CPlusPlusNameParser is used in several places on of them is during IR execution and setting breakpoints to pull information C++ like the basename, the context and arguments.
Currently it does not handle templated operator< properly, because of idiosyncrasy is how clang generates debug info for these cases.
It uses clang::Lexer which will tokenize operator<<A::B> into:
Later on the parser in ConsumeOperator() does not handle this case properly and we end up failing to parse.
Differential Revision: https://reviews.llvm.org/D76168