From: Hans-Peter Nilsson <hp@bitrange.com>
To: Richard Biener <rguenther@suse.de>
Cc: gcc-patches@gcc.gnu.org
Subject: Re: [PATCH] tree-optimization/93661 properly guard tree_to_poly_int64
Date: Fri, 14 Feb 2020 01:04:00 -0000 [thread overview]
Message-ID: <alpine.BSF.2.20.16.2002132000060.71749@arjuna.pair.com> (raw)
In-Reply-To: <nycvar.YFH.7.76.2002111051400.18835@zhemvz.fhfr.qr>
On Tue, 11 Feb 2020, Richard Biener wrote:
> Bootstrapped / tested on x86_64-unknown-linux-gnu, pushed.
> diff --git a/gcc/testsuite/gcc.dg/pr93661.c b/gcc/testsuite/gcc.dg/pr93661.c
> new file mode 100644
> index 00000000000..e311ba545c4
> --- /dev/null
> +++ b/gcc/testsuite/gcc.dg/pr93661.c
> @@ -0,0 +1,9 @@
> +/* { dg-do compile } */
> +/* { dg-options "-O2" } */
Missing int32plus qualifier considering the assumed-to-fit
constants?
> +
> +int f ()
> +{
> + unsigned x = 0xffffffff;
> + __builtin_memset (1+(char *) &x, 0, -1); /* { dg-warning "maximum object size" } */
> + return (x != 0xf0000000);
brgds, H-P
PS. no, doesn't fail for targets I care for, just random.
prev parent reply other threads:[~2020-02-14 1:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-11 9:52 Richard Biener
2020-02-14 1:04 ` Hans-Peter Nilsson [this message]
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