Fix diagram generation using LLVM 17 (Fixes #190)

.clang-uml

@@ -1,6 +1,8 @@
 compilation_database_dir: debug
 output_directory: docs/diagrams
 comment_parser: clang
+remove_compile_flags:
+  - -Wno-class-memaccess
 generate_links:
   link: "{% if existsIn(element, \"doxygen_link\") %}{{ element.doxygen_link }}{% endif %}"
   tooltip: "{% if existsIn(element, \"comment\") and existsIn(element.comment, \"brief\") %}{{ abbrv(trim(replace(element.comment.brief.0, \"\\n+\", \" \")), 256) }}{% else %}{{ element.name }}{% endif %}"

CMakeLists.txt

@@ -137,7 +137,9 @@ endif()
 # and environment quirks
 #
 if(LLVM_VERSION_MAJOR GREATER_EQUAL 17)
+    if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
         set(CUSTOM_COMPILE_OPTIONS "-Wno-class-memaccess")
+    endif()
 endif()
 if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
     set(CUSTOM_COMPILE_OPTIONS

src/common/model/template_parameter.h

@@ -504,8 +504,6 @@ private:
     /*! Whether template argument is ellipsis (...) */
     bool is_ellipsis_{false};
 
-    bool is_noexcept_{false};
-
     /*! Whether the template parameter is variadic */
     bool is_variadic_{false};
 

src/sequence_diagram/model/diagram.h

@@ -328,8 +328,6 @@ private:
         return block_end_types.count(mt) > 0;
     };
 
-    bool started_{false};
-
     std::map<common::model::diagram_element::id_t, activity> sequences_;
 
     std::map<common::model::diagram_element::id_t, std::unique_ptr<participant>>