------- Comment #18 from mkuvyrkov at gcc dot gnu dot org 2010-04-14 10:02 ------- Subject: Re: [4.6 Regression] Revision 158105 miscompiles doduc.f90
On 4/14/10 1:55 PM, dominiq at lps dot ens dot fr wrote: > ------- Comment #17 from dominiq at lps dot ens dot fr 2010-04-14 09:55 > ------- >> Well, it indeed looks invalid if there is NaNs involved and you use >> -ffinite-math-only. > > The NaN appears in the miscompiled executable. Note that I am not the author > of > the doduc test, but it has been compiled by gfortran with -O3 -ffast-math for > years and ran without failure. Can you track where the NaN comes from and if it is indeed unexpected even with -ffast-math -ffinite-math-only? >> While I will not argue that my patch is 100% bug-free, this seems to be an >> invalid testcase. > > It may happen that the changes in revision 158105 is exposing a latent bug. That is always a possibility. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43716
