On Wed, 26 Aug 2015 00:03:35 +0900, Guenter Roeck wrote: > > Hi Mark, > > On 08/25/2015 07:27 AM, Mark Salter wrote: > > On Tue, 2015-08-25 at 14:56 +0900, Yoshinori Sato wrote: > >> On Tue, 25 Aug 2015 03:34:20 +0900, > >> Guenter Roeck wrote: > >>> > >>> Hi, > >>> > >>> In linux-next as of today (0824), all h8300 builds fail for me with an > >>> internal > >>> compiler error. > >>> > >>> Building h8300:allnoconfig ... failed > >>> -------------- > >>> Error log: > >>> > >>> In file included from include/linux/rcupdate.h:429:0, > >>> from include/linux/rcusync.h:5, > >>> from kernel/rcu/sync.c:1: > >>> include/linux/rcutiny.h: In function ‘rcu_barrier_sched’: > >>> include/linux/rcutiny.h:55:20: internal compiler error: Segmentation > >>> fault > >>> static inline void rcu_barrier_sched(void) > >>> ^ > >>> > >>> I tried both gcc 5.1 and 5.2, built with the patch set available to me. > >>> > >>> Is there a more recent compiler / patch set available that might fix > >>> the problem ? > >>> > >> > >> No. > >> I tried gcc 6.0. It got same error. > >> It looks optimization problem on h8300 target. > >> I will investigate it. > > > > I get the same ICE with c6x gcc 5.1 > > > > Interesting. h8300 was the only gcc 5+ compiler I had used so far. > Just for fun, I built an alpha toolchain with gcc 5.1. Same problem there. > So it looks like it isn't a h8300 problem after all, it is a gcc problem. > > Updated subject line, and copied rcu maintainers. > > Guenter >
Yes. gcc bug #67055. Already fixed in trunk. -- Yoshinori Sato <ys...@users.sourceforge.jp> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
