From: Jakub Jelinek <jakub@redhat.com>
To: Jason Merrill <jason@redhat.com>
Cc: gcc-patches@gcc.gnu.org
Subject: Patch ping (was Re: [C++ PATCH] Fix ICE with offsetof-like initializer (PR c++/88410))
Date: Mon, 17 Dec 2018 18:58:00 -0000 [thread overview]
Message-ID: <20181217185850.GD23305@tucnak> (raw)
In-Reply-To: <20181209110506.GV12380@tucnak>
Hi!
On Sun, Dec 09, 2018 at 12:05:06PM +0100, Jakub Jelinek wrote:
> The following testcase ICEs starting with my change to move offsetof-like
> expression handling from the parsing to cp_fold - if the base expression
> is not INTEGER_CST, but a constant VAR_DECL initialized with INTEGER_CST,
> then we don't fold it as offsetof-like expression and as we use recursive
> cp_fold only on functions, not initializers, we don't fold that VAR_DECL in
> there into INTEGER_CST and the middle-end ICEs on it trying to fold it.
>
> Fixed thusly, bootstrapped/regtested on x86_64-linux and i686-linux, ok for
> trunk?
>
> 2018-12-09 Jakub Jelinek <jakub@redhat.com>
>
> PR c++/88410
> * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: For offsetof-like folding,
> call maybe_constant_value on val to see if it is INTEGER_CST.
>
> * g++.dg/cpp0x/pr88410.C: New test.
I'd like to ping this patch.
Thanks.
Jakub
next prev parent reply other threads:[~2018-12-17 18:58 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-09 11:05 [C++ PATCH] Fix ICE with offsetof-like initializer (PR c++/88410) Jakub Jelinek
2018-12-17 18:58 ` Jakub Jelinek [this message]
2018-12-17 21:00 ` Jason Merrill
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