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author | Nico Weber <thakis@chromium.org> | 2020-03-13 09:24:34 -0400 |
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committer | Nico Weber <thakis@chromium.org> | 2020-03-13 09:24:54 -0400 |
commit | aef96a6860c76f8d922999619c4bb590d3cb2e8a (patch) | |
tree | 1462ccf9b79f37f78f7b5a0929372f81f459f029 | |
parent | 92f7aebe2d7e03d7d04b4d2f978482268b63aa7f (diff) |
add a few new warnings to the 10.0 clang release notes
-rw-r--r-- | clang/docs/ReleaseNotes.rst | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst index 952e1d3483f0..5d2314b601b8 100644 --- a/clang/docs/ReleaseNotes.rst +++ b/clang/docs/ReleaseNotes.rst @@ -78,6 +78,28 @@ Improvements to Clang's diagnostics - ``-Wbitwise-op-parentheses`` and ``-Wlogical-op-parentheses`` are disabled by default. +- The new warnings ``Wc99-designator`` and ``-Wreorder-init-list`` warn about + uses of C99 initializers in C++ mode for cases that are valid in C99 but not + in C++20. + +- The new warning ``-Wsizeof-array-div`` catches cases like + ``int arr[10]; ...sizeof(arr) / sizeof(short)...`` + (should be ``sizeof(arr) / sizeof(int)``), and the existing warning + ``-Wsizeof-pointer-div`` catches more cases. + +- The new warning ``-Wxor-used-as-pow`` warns on cases where it looks like + the xor operator ``^`` is used to be mean exponentiation, e.g. ``2 ^ 16``. + +- The new warning ``-Wfinal-dtor-non-final-class`` warns on classes that + have a final destructor but aren't themselves marked final. + +- ``-Wextra`` now enables ``-Wdeprecated-copy``. The warning deprecates + move and copy constructors in classes where an explicit destructor is + declared. This is for compatibility with GCC 9, and forward looking + for a change that's being considered for C++23. You can disable it with + ``-Wno-deprecated-copy``. + + Non-comprehensive list of changes in this release ------------------------------------------------- |