https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110311
--- Comment #44 from Jürgen Reuter <juergen.reuter at desy dot de> --- (In reply to anlauf from comment #43) > Mabye the fprem issue was a red herring from the beginning, pointing to a > problem in a different place. > > I recompiled each module in a loop with -O0 until the FPE went away. > > instances_sub.f90 seems the file someone wants to look at. > > Works at -O0, -O1, -Os, -O2 -fno-tree-vectorize > Fails at -O2, -O3 > > on x86_64-pc-linux-gnu. > > Jürgen: can you reduce this even more with this information? Thanks, this info is helpful. So it is the setting up of the full process via the instances module, which is in agreement with the fact that the simple test with only the RNG did not fail. I will be busy for several days, but hopefully in a week from now, I'll know more.
