Type#GetLoadDependencies(): VERIFY() that no nullptr is returned

Author: Al2Klimov

tools/mkclass/classcompiler.cpp

@@ -385,7 +385,10 @@ void ClassCompiler::HandleClass(const Klass& klass, const ClassDebugInfo&)
 	for (const std::string& dep : klass.LoadDependencies)
 		m_Impl << "\t\t" << "GetByName(\"" << dep << "\").get()," << std::endl;
 
-	m_Impl << "\t" << "});" << std::endl;
+	m_Impl << "\t});" << std::endl << std::endl;
+
+	m_Impl << "\tstatic const auto v (VERIFY(deps.find(nullptr) == deps.end()));" << std::endl;
+	m_Impl << "\t(void)v;" << std::endl << std::endl;
 
 	m_Impl << "\t" << "return deps;" << std::endl
 		<< "}" << std::endl << std::endl;
@@ -1463,6 +1466,7 @@ void ClassCompiler::CompileStream(const std::string& path, std::istream& input,
 		<< "#include \"base/objectlock.hpp\"" << std::endl
 		<< "#include \"base/utility.hpp\"" << std::endl
 		<< "#include \"base/convert.hpp\"" << std::endl
+		<< "#include \"base/debug.hpp\"" << std::endl
 		<< "#include \"base/dependencygraph.hpp\"" << std::endl
 		<< "#include \"base/logger.hpp\"" << std::endl
 		<< "#include \"base/function.hpp\"" << std::endl