[PATCH] D13398: [clang-tidy] add check cppcoreguidelines-pro-type-const-cast

[Matthias Gehre via cfe-commits]

mgehre created this revision.
mgehre added reviewers: alexfh, sbenza, bkramer, aaron.ballman.
mgehre added a subscriber: cfe-commits.
mgehre added a dependency: D13313: [clang-tidy] new check cppcoreguidelines-pro-type-reinterpret-cast.

This check flags all uses of const_cast in C++ code.

Modifying a variable that was declared const is undefined behavior, even
with const_cast.

This rule is part of the "Type safety" profile of the C++ Core
Guidelines, see
https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#-type3-dont-use-const_cast-to-cast-away-const-ie-at-all.

Depends on D13313

http://reviews.llvm.org/D13398

Files:
  clang-tidy/cppcoreguidelines/CMakeLists.txt
  clang-tidy/cppcoreguidelines/CppCoreGuidelinesTidyModule.cpp
  clang-tidy/cppcoreguidelines/ProTypeConstCastCheck.cpp
  clang-tidy/cppcoreguidelines/ProTypeConstCastCheck.h
  docs/clang-tidy/checks/cppcoreguidelines-pro-type-const-cast.rst
  docs/clang-tidy/checks/list.rst
  test/clang-tidy/cppcoreguidelines-pro-type-const-cast.cpp

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