message: Verify definition exists to prevent SEGFAULT
diff: @@ -555,6 +555,7 @@ clang::CXXRecordDecl::base_class_range abi_generator::get_struct_bases(const cla
  auto cxxrecord_decl = clang::dyn_cast<CXXRecordDecl>(record_type->getDecl());
  ABI_ASSERT(cxxrecord_decl != nullptr);
  //record_type->getCanonicalTypeInternal().dump();
  + ABI_ASSERT(cxxrecord_decl->hasDefinition(), "No definition for ${t}", ("t", qt.getAsString()));
  auto bases = cxxrecord_decl->bases();
  