https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118518
--- Comment #6 from Benjamin Schulz <schulz.benjamin at googlemail dot com> --- how do I do that? -malias this is not a compiler option that is listed. What is strange: When i make a simple test program in c, i.e. without classes, then I can define functions in a #pragma omp target region that will work. But apparently not these constructors.