Fix #14583 FP duplInheritedMember for uninstantiated template (#8326)

Author: chrchr-github

lib/checkclass.cpp

@@ -3127,6 +3127,8 @@ static std::vector<DuplMemberFuncInfo> getDuplInheritedMemberFunctionsRecursive(
                 continue;
             if (classFuncIt.tokenDef->isExpandedMacro())
                 continue;
+            if (classFuncIt.templateDef)
+                continue;
             for (const Function& parentClassFuncIt : parentClassIt.type->classScope->functionList) {
                 if (classFuncIt.name() == parentClassFuncIt.name() &&
                     (parentClassFuncIt.access != AccessControl::Private || !skipPrivate) &&

test/testclass.cpp

@@ -734,6 +734,13 @@ class TestClass : public TestFixture {
                                   "    void Two() = delete;\n"
                                   "};\n");
         ASSERT_EQUALS("", errout_str());
+
+        checkDuplInheritedMembers("struct B { void f(); };\n" // #14583
+                                  "struct D : B {\n"
+                                  "    template <typename>\n"
+                                  "    void f();\n"
+                                  "};\n");
+        ASSERT_EQUALS("", errout_str());
     }
 
 #define checkCopyConstructor(...) checkCopyConstructor_( __FILE__, __LINE__, __VA_ARGS__)