------- Comment #17 from law at redhat dot com 2006-02-20 20:32 -------
Subject: Re: [4.2 regression] bootstrap
failure on Alpha: xgcc runs out of memory compiling libiberty/md5.c
On Mon, 2006-02-20 at 05:11 +0000, pinskia at gcc dot gnu dot org wrote:
>
> ------- Comment #16 from pinskia at gcc dot gnu dot org 2006-02-20 05:11
> -------
> (In reply to comment #15)
> > With my reduced testcase (well s/long long/long/), we get:
> > D.1552_8 = -a_7;
> > a_7: [0, +INF] EQUIVALENCES: { } (0 elements)
> Shouldn't that just be marked as varying instead as a_7 is unsigned?
No, because if it's marked as varying we will not use it to
refine any other VRP ranges.
jeff
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26361
