https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117697
--- Comment #10 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> --- >> Even more strangely, I'd tried an i686-pc-linux-gnu build with >> --enable-frame-pointer (the Solaris default), which showed the testsuite >> failures before your patch, but still -fomit-frame-pointer worked as >> expected. > > So if that is the case, it seems that most likely -fomit-frame-pointer did not > work as expected only on Solaris/x86 currently? But only in this particular case: I've used it successfully in the past to fix several testcases, that's what makes it so weird here.