================
@@ -0,0 +1,43 @@
+.. title:: clang-tidy - bugprone-function-visibility-change
+
+bugprone-function-visibility-change
+===================================
+
+Check changes in visibility of C++ member functions in subclasses. The check
+detects if a virtual function is overridden with a different visibility than in
+the base class declaration. Only normal functions are detected, no
constructors,
+operators, conversions or other special functions.
+
+.. code-block:: c++
+
+ class A {
+ public:
+ virtual void f_pub();
+ private:
+ virtual void f_priv();
+ };
+
+ class B: public A {
+ public:
+ void f_priv(); // warning: changed visibility from private to public
+ private:
+ void f_pub(); // warning: changed visibility from public to private
+ };
+
+ class C: private A {
+ // no warning: f_pub becomes private in this case but this is from the
+ // private inheritance
+ };
+
+ class D: private A {
+ public:
+ void f_pub(); // warning: changed visibility from private to public
+ // 'f_pub' would have private access but is forced to be
+ // public
+ };
+
----------------
PiotrZSL wrote:
what about when user changes visibility of the function with "using
declaration" ?
https://github.com/llvm/llvm-project/pull/140086
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