From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-446473-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 8967 invoked by alias); 17 Mar 2014 06:27:04 -0000
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
Received: (qmail 8808 invoked by uid 48); 17 Mar 2014 06:26:58 -0000
From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/60516] [4.7/4.8/4.9 regression]: cc1plus crashes compiling a method with a huge struct as argument
Date: Mon, 17 Mar 2014 06:27:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: target
X-Bugzilla-Version: 4.8.1
X-Bugzilla-Keywords:
X-Bugzilla-Severity: normal
X-Bugzilla-Who: jakub at gcc dot gnu.org
X-Bugzilla-Status: ASSIGNED
X-Bugzilla-Priority: P2
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 4.7.4
X-Bugzilla-Flags:
X-Bugzilla-Changed-Fields: bug_status cc component target_milestone short_desc
Message-ID: <bug-60516-4-qopTH9aEud@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-60516-4@http.gcc.gnu.org/bugzilla/>
References: <bug-60516-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-SW-Source: 2014-03/txt/msg01342.txt.bz2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60516

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
                 CC|                            |jakub at gcc dot gnu.org
          Component|c++                         |target
   Target Milestone|---                         |4.7.4
            Summary|[4.9/4.8 regression]:       |[4.7/4.8/4.9 regression]:
                   |cc1plus crashes compiling a |cc1plus crashes compiling a
                   |method with a huge struct   |method with a huge struct
                   |as argument                 |as argument

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
(In reply to Kai Tietz from comment #3)
> Issue is that copy_rtx gets feed with invalid insn.

No, it is fed completely valid insn, but just the note creation hasn't been
adjusted for the r163679 change.

(In reply to Mikael Pettersson from comment #4)
> Started with r171890.

With an improved C testcase actually with r163679.

struct S { char c[65536]; };

__attribute__((ms_abi, thiscall)) void
foo (void *x, struct S y)
{
}