A7-3-1: Do not report special member functions

Special member functions are not inheritable.

Author: lcartey

cpp/autosar/src/rules/A7-3-1/HiddenInheritedNonOverridableMemberFunction.ql

@@ -15,6 +15,7 @@
 
 import cpp
 import codingstandards.cpp.autosar
+import codingstandards.cpp.Class
 
 /**
  * Holds if the class has a non-virtual member function with the given name.
@@ -48,7 +49,9 @@ where
   ) and
   // Exclude compiler generated member functions which include things like copy constructor that hide base class
   // copy constructors.
-  not overridingDecl.isCompilerGenerated()
+  not overridingDecl.isCompilerGenerated() and
+  // Exclude special member functions, which cannot be inherited.
+  not overridingDecl instanceof SpecialMemberFunction
 select overridingDecl,
   "Declaration for member '" + name + "' hides non-overridable inherited member function $@",
   hiddenDecl, hiddenDecl.getName()

cpp/autosar/test/rules/A7-3-1/test.cpp

@@ -76,4 +76,9 @@ void f2() {
   c5.f1(0.0); // calls C5::f1(double)
   c5.f2(0);   // calls C1::f2(int)
   c5.f2(0.0); // calls C5::f2(double)
-}
+}
+
+class C6 : public C1 {
+public:
+  C6 &operator=(const C6 &); // COMPLIANT
+};