llvm-project

dea1d29d - [clang-tools-extra][docs] Add documentation for clang-reorder-fields (#178446)

[clang-tools-extra][docs] Add documentation for clang-reorder-fields (#178446) Add comprehensive documentation for the clang-reorder-fields tool, addressing #35520. The tool has existed in the repository but was previously undocumented. The documentation includes: - Basic usage examples for C and C++ structs/classes - Constructor initializer list reordering - Designated initializer support (C++20) - Detailed limitations and caveats - Command line option reference - Common use cases (memory layout optimization, etc.) Fixes #35520 --------- Co-authored-by: EugeneZelenko <eugene.zelenko@gmail.com>