https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79430
--- Comment #56 from Jürgen Reuter <juergen.reuter at desy dot de> --- (In reply to Thomas Koenig from comment #55) > (In reply to Jürgen Reuter from comment #52) > > I tried again to make a more reduced test case, but I couldn't really > > separate it from library structure of our code. Do you think you can work > > with the given test case? > > What I can (personally) do is to try and find the offending > revision by bisection. It should then be doable (hopefully by somebody > else) to find any differences due to that particular revision > by examining differences in tree and RTL dumps. > > This will take some time, though. Sure, take your time. As we have a workaround there is no panic on our side. In any case, the problem only appeared for using fp-80 as kind parameters for floats which is not the default application.