[Bug fortran/118321] [OpenMP] declare_variant's 'adjust_args' yields wrong code if the result is passed by argument

[burnus at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118321

--- Comment #3 from Tobias Burnus <burnus at gcc dot gnu.org> ---
Fixed the main Fortran issue.

Still to do:
* Fix C++ issue ('this' pointer), comment 1
* For Fortran, we may want to check for ENTRY master functions ...