Explicitly default smfs when relevant to avoid Wdeprecated-copy-dtor

src/catch2/benchmark/catch_chronometer.hpp

@@ -23,6 +23,10 @@ namespace Catch {
                 virtual void start() = 0;
                 virtual void finish() = 0;
                 virtual ~ChronometerConcept(); // = default;
+
+                ChronometerConcept() = default;
+                ChronometerConcept(ChronometerConcept const&) = default;
+                ChronometerConcept& operator=(ChronometerConcept const&) = default;
             };
             template <typename Clock>
             struct ChronometerModel final : public ChronometerConcept {

src/catch2/benchmark/detail/catch_benchmark_function.hpp

@@ -42,6 +42,10 @@ namespace Catch {
                     virtual void call(Chronometer meter) const = 0;
                     virtual callable* clone() const = 0;
                     virtual ~callable(); // = default;
+
+                    callable() = default;
+                    callable(callable const&) = default;
+                    callable& operator=(callable const&) = default;
                 };
                 template <typename Fun>
                 struct model : public callable {

src/catch2/generators/catch_generators.hpp

@@ -30,6 +30,10 @@ namespace Detail {
     template<typename T>
     struct IGenerator : GeneratorUntypedBase {
         ~IGenerator() override = default;
+        IGenerator() = default;
+        IGenerator(IGenerator const&) = default;
+        IGenerator& operator=(IGenerator const&) = default;
+
 
         // Returns the current element of the generator
         //

src/catch2/generators/internal/catch_generators_combined_tu.cpp

@@ -36,7 +36,7 @@ namespace Catch {
 
 namespace Catch {
 
-IGeneratorTracker::~IGeneratorTracker() {}
+    IGeneratorTracker::~IGeneratorTracker() = default;
 
 namespace Generators {
 
@@ -48,7 +48,7 @@ namespace Detail {
     }
 } // end namespace Detail
 
-    GeneratorUntypedBase::~GeneratorUntypedBase() {}
+    GeneratorUntypedBase::~GeneratorUntypedBase() = default;
 
     auto acquireGeneratorTracker( SourceLineInfo const& lineInfo ) -> IGeneratorTracker& {
         return getResultCapture().acquireGeneratorTracker( lineInfo );

src/catch2/interfaces/catch_interfaces_generatortracker.hpp

@@ -16,11 +16,17 @@ namespace Catch {
         class GeneratorUntypedBase {
         public:
             GeneratorUntypedBase() = default;
-            virtual ~GeneratorUntypedBase();
+            // Generation of copy ops is deprecated (and Clang will complain)
+            // if there is a user destructor defined
+            GeneratorUntypedBase(GeneratorUntypedBase const&) = default;
+            GeneratorUntypedBase& operator=(GeneratorUntypedBase const&) = default;
+
+            virtual ~GeneratorUntypedBase(); // = default;
+
             // Attempts to move the generator to the next element
-             //
-             // Returns true iff the move succeeded (and a valid element
-             // can be retrieved).
+            //
+            // Returns true iff the move succeeded (and a valid element
+            // can be retrieved).
             virtual bool next() = 0;
         };
         using GeneratorBasePtr = std::unique_ptr<GeneratorUntypedBase>;
@@ -28,7 +34,7 @@ namespace Catch {
     } // namespace Generators
 
     struct IGeneratorTracker {
-        virtual ~IGeneratorTracker();
+        virtual ~IGeneratorTracker(); // = default;
         virtual auto hasGenerator() const -> bool = 0;
         virtual auto getGenerator() const -> Generators::GeneratorBasePtr const& = 0;
         virtual void setGenerator( Generators::GeneratorBasePtr&& generator ) = 0;

src/catch2/internal/catch_decomposer.hpp

@@ -43,9 +43,13 @@ namespace Catch {
             m_result( result )
         {}
 
+        ITransientExpression() = default;
+        ITransientExpression(ITransientExpression const&) = default;
+        ITransientExpression& operator=(ITransientExpression const&) = default;
+
         // We don't actually need a virtual destructor, but many static analysers
         // complain if it's not here :-(
-        virtual ~ITransientExpression();
+        virtual ~ITransientExpression(); // = default;
 
         bool m_isBinaryExpression;
         bool m_result;

src/catch2/matchers/catch_matchers.hpp

@@ -17,8 +17,13 @@ namespace Matchers {
     class MatcherUntypedBase {
     public:
         MatcherUntypedBase() = default;
+
         MatcherUntypedBase(MatcherUntypedBase const&) = default;
+        MatcherUntypedBase(MatcherUntypedBase&&) = default;
+
         MatcherUntypedBase& operator = (MatcherUntypedBase const&) = delete;
+        MatcherUntypedBase& operator = (MatcherUntypedBase&&) = delete;
+
         std::string toString() const;
 
     protected:

src/catch2/matchers/catch_matchers_templated.hpp

@@ -18,7 +18,14 @@
 namespace Catch {
 namespace Matchers {
     struct MatcherGenericBase : MatcherUntypedBase {
+        MatcherGenericBase() = default;
         virtual ~MatcherGenericBase(); // = default;
+
+        MatcherGenericBase(MatcherGenericBase&) = default;
+        MatcherGenericBase(MatcherGenericBase&&) = default;
+
+        MatcherGenericBase& operator=(MatcherGenericBase const&) = delete;
+        MatcherGenericBase& operator=(MatcherGenericBase&&) = delete;
     };
 
 

tests/SelfTest/UsageTests/Matchers.tests.cpp

@@ -893,11 +893,11 @@ namespace { namespace MatchersTests {
     struct ThrowOnCopyOrMoveMatcher : Catch::Matchers::MatcherGenericBase {
         ThrowOnCopyOrMoveMatcher() = default;
         [[noreturn]]
-        ThrowOnCopyOrMoveMatcher(ThrowOnCopyOrMoveMatcher const&) {
+        ThrowOnCopyOrMoveMatcher(ThrowOnCopyOrMoveMatcher const&): Catch::Matchers::MatcherGenericBase() {
             throw MatcherWasMovedOrCopied();
         }
         [[noreturn]]
-        ThrowOnCopyOrMoveMatcher(ThrowOnCopyOrMoveMatcher &&) {
+        ThrowOnCopyOrMoveMatcher(ThrowOnCopyOrMoveMatcher &&): Catch::Matchers::MatcherGenericBase() {
             throw MatcherWasMovedOrCopied();
         }
         ThrowOnCopyOrMoveMatcher& operator=(ThrowOnCopyOrMoveMatcher const&) {