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[Bug lto/59723] [4.9 Regression] ICE: in lto_output_tree, at lto-streamer-out.c:1390 when compiling some Fortran tests with -flto
- From: "rguenther at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 10 Jan 2014 08:33:37 +0000
- Subject: [Bug lto/59723] [4.9 Regression] ICE: in lto_output_tree, at lto-streamer-out.c:1390 when compiling some Fortran tests with -flto
- Auto-submitted: auto-generated
- References: <bug-59723-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59723
--- Comment #8 from rguenther at suse dot de <rguenther at suse dot de> ---
On Thu, 9 Jan 2014, dominiq at lps dot ens.fr wrote:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59723
>
> --- Comment #7 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> > ... which implies that the GCC testsuite needs to be improved with regards
> > to LTO testing as there was no new failure with the patch.
Maybe ... but if you modify LTO code for a feature I'd expect you
try LTO on a simple example using that feature ;)
> Not GCC, but gfortran. I stumbled on this pr with
>
> make -k check-gfortran
> RUNTESTFLAGS="--target_board=unix'{-m32/-flto,-m64/-flto}'"
>
> One may consider to add something '-Ofast -flto' to the set of options in
> gfortran.dg.
One always has to weight in testing time of course.