[all-commits] [llvm/llvm-project] 713156: [clang] Warn about memset/memcpy to NonTriviallyCo...

[serge-sans-paille via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 71315698c91d0cda054b903da0594ca6f072c350
      https://github.com/llvm/llvm-project/commit/71315698c91d0cda054b903da0594ca6f072c350
  Author: serge-sans-paille <sguelton at mozilla.com>
  Date:   2024-10-28 (Mon, 28 Oct 2024)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/include/clang/Basic/DiagnosticSemaKinds.td
    M clang/lib/Sema/SemaChecking.cpp
    M clang/test/SemaCXX/constexpr-string.cpp
    A clang/test/SemaCXX/warn-memaccess.cpp
    M libcxx/include/__memory/uninitialized_algorithms.h
    M libcxx/test/std/utilities/expected/types.h
    M libcxx/test/support/min_allocator.h

  Log Message:
  -----------
  [clang] Warn about memset/memcpy to NonTriviallyCopyable types (#111434)

This implements a warning that's similar to what GCC does in that
context: both memcpy and memset require their first and second operand
to be trivially copyable, let's warn if that's not the case.



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