llvm-project

001cc342 - [clang] Add scoped enum support to `StreamingDiagnostic` (#138089)

[clang] Add scoped enum support to `StreamingDiagnostic` (#138089) This patch adds templated `operator<<` for diagnostics that pass scoped enums, saving people from `llvm::to_underlying()` clutter on the side of emitting the diagnostic. This eliminates 80 out of 220 usages of `llvm::to_underlying()` in Clang. I also backported `std::is_scoped_enum_v` from C++23.