https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99784
--- Comment #3 from Mike Hommey <mh+gcc at glandium dot org> --- PR 96956 only really talks about this: "You may not use this mechanism to jump to code in a different function. If you do that, totally unpredictable things happen.". My testcase doesn't involve jumping to the address.