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This is a rebase of #95112 with my own feedback apply as @MitalAshok has been inactive for a while. It's fairly important this makes clang 20 as it is a blocker for #107451 --- [CWG2813](https://cplusplus.github.io/CWG/issues/2813.html) prvalue.member_fn(expression-list) now will not materialize a temporary for prvalue if member_fn is an explicit object member function, and prvalue will bind directly to the object parameter. The E1 in E1.static_member is now a discarded-value expression, so if E1 was a call to a [[nodiscard]] function, there will now be a warning. This also affects C++98 with [[gnu::warn_unused_result]] functions. This should not affect C where TemporaryMaterializationConversion is a no-op. Closes #100314 Fixes #100341 --------- Co-authored-by: Mital Ashok <mital@mitalashok.co.uk>
//===----------------------------------------------------------------------===// // Clang Tools repository //===----------------------------------------------------------------------===// Welcome to the repository of extra Clang Tools. This repository holds tools that are developed as part of the LLVM compiler infrastructure project and the Clang frontend. These tools are kept in a separate "extra" repository to allow lighter weight checkouts of the core Clang codebase. All discussion regarding Clang, Clang-based tools, and code in this repository should be held using the standard Clang forum: https://discourse.llvm.org/c/clang Code review for this tree should take place on the standard Clang patch and commit lists: http://lists.llvm.org/mailman/listinfo/cfe-commits If you find a bug in these tools, please file it in the LLVM bug tracker: https://github.com/llvm/llvm-project/issues/