Fix c++ compiler warnings in c++11 testcases

Examples/test-suite/cpp11_alternate_function_syntax.i

@@ -13,6 +13,7 @@ struct SomeStruct {
   auto addAlternateMemberPtrConstParm(int x, int (SomeStruct::*mp)(int, int) const) const -> int;
 
   virtual auto addFinal(int x, int y) const noexcept -> int final { return x + y; }
+  virtual ~SomeStruct() = default;
 };
  
 int SomeStruct::addNormal(int x, int y) { return x + y; }

Examples/test-suite/cpp11_constexpr.i

@@ -3,11 +3,17 @@
 */
 %module cpp11_constexpr
 
+
 %inline %{
+#ifdef SWIG
+#define CONST const
+#else
+#define CONST
+#endif
 constexpr int AAA = 10;
 constexpr const int BBB = 20;
 constexpr int CCC() { return 30; }
-constexpr const int DDD() { return 40; }
+constexpr CONST int DDD() { return 40; }
 
 constexpr int XXX() { return 10; }
 constexpr int YYY = XXX() + 100;
@@ -17,7 +23,7 @@ struct ConstExpressions {
   static constexpr int KKK = 200;
   static const int LLL = 300;
   constexpr int MMM() { return 400; }
-  constexpr const int NNN() { return 500; }
+  constexpr CONST int NNN() { return 500; }
   // Regression tests for support added in SWIG 3.0.4:
   static constexpr const int JJJ1 = 101;
   constexpr static int KKK1 = 201;

Examples/test-suite/cpp11_final_override.i

@@ -82,6 +82,7 @@ struct Destructors4 : Base {
 struct FinalOverrideMethods {
     virtual void final() {}
     virtual void override(int) {}
+    virtual ~FinalOverrideMethods() = default;
 };
 struct FinalOverrideVariables {
     int final;

Examples/test-suite/cpp11_noexcept.i

@@ -18,7 +18,7 @@ struct NoExceptClass {
   NoExceptClass(const NoExceptClass&) noexcept {}
   NoExceptClass(NoExceptClass&&) noexcept {}
   NoExceptClass& operator=(const NoExceptClass&) noexcept { return *this; }
-  ~NoExceptClass() noexcept {}
+  virtual ~NoExceptClass() noexcept {}
 
   void noex0() noexcept {}
   void noex1() noexcept(sizeof(int) == 4) {}

Examples/test-suite/cpp11_rvalue_reference2.i

@@ -23,7 +23,7 @@ struct Thingy {
   int val;
   int &lvalref;
   int &&rvalref;
-  Thingy(int v) : val(v), lvalref(val), rvalref(22) {}
+  Thingy(int v, int &&rvalv) : val(v), lvalref(val), rvalref(std::move(rvalv)) {}
   void refIn(long &i) {}
   void rvalueIn(long &&i) {}
   short && rvalueInOut(short &&i) { return std::move(i); }
@@ -32,7 +32,7 @@ struct Thingy {
   void compactDefaultArgs(const bool &&b = (const bool &&)PublicGlobalTrue, const UserDef &&u  = (const UserDef &&)PublicUserDef) {}
   void privateDefaultArgs(const bool &&b = (const bool &&)PrivateTrue) {}
   operator int &&() { return std::move(0); }
-  Thingy(const Thingy& rhs) : val(rhs.val), lvalref(rhs.lvalref), rvalref(copy_int(rhs.rvalref)) {}
+  Thingy(const Thingy& rhs) : val(rhs.val), lvalref(rhs.lvalref), rvalref(std::move(rhs.rvalref)) {}
   Thingy& operator=(const Thingy& rhs) {
     val = rhs.val;
     lvalref = rhs.lvalref;
@@ -41,17 +41,18 @@ struct Thingy {
   }
 private:
   static const bool PrivateTrue;
-  int copy_int(int& i) { return i; }
   Thingy();
 };
 const bool Thingy::PrivateTrue = true;
 
 short && globalRvalueInOut(short &&i) { return std::move(i); }
 
-Thingy &&globalrrval = Thingy(55);
+int glob = 123;
+
+Thingy &&globalrrval = Thingy(55, std::move(glob));
 
 short && func(short &&i) { return std::move(i); }
-Thingy getit() { return Thingy(22); }
+Thingy getit() { return Thingy(22, std::move(glob)); }
 
 void rvalrefFunction1(int &&v = (int &&)5) {}
 void rvalrefFunctionBYVAL(short (Thingy::*memFunc)(short)) {}

Examples/test-suite/cpp11_rvalue_reference3.i

@@ -31,7 +31,13 @@ struct Containing {
   Thing *const&& member_rvalue_ref_ptr3 = 0;
   Thing const*const &&member_rvalue_ref_ptr4 = 0;
 
-  Containing() : member_rvalue_ref(Thing()) {}
+  Containing(Thing&&r, Thing*&& r1, Thing const*&& r2, Thing *const&& r3, Thing const*const && r4) :
+    member_rvalue_ref(std::move(r)), 
+    member_rvalue_ref_ptr1(std::move(r1)),
+    member_rvalue_ref_ptr2(std::move(r2)),
+    member_rvalue_ref_ptr3(std::move(r3)),
+    member_rvalue_ref_ptr4(std::move(r4))
+    {}
 };
 %}
 
@@ -62,6 +68,12 @@ struct IntContaining {
   int *const&& member_rvalue_ref_ptr3 = 0;
   int const*const &&member_rvalue_ref_ptr4 = 0;
 
-  IntContaining() : member_rvalue_ref(55) {}
+  IntContaining(int&& r, int*&& r1, int const*&& r2, int *const&& r3, int const*const && r4) :
+    member_rvalue_ref(std::move(r)),
+    member_rvalue_ref_ptr1(std::move(r1)),
+    member_rvalue_ref_ptr2(std::move(r2)),
+    member_rvalue_ref_ptr3(std::move(r3)),
+    member_rvalue_ref_ptr4(std::move(r4))
+    {}
 };
 %}