From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id 82606385843D; Thu, 12 Jan 2023 14:53:17 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 82606385843D
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1673535197;
	bh=Fz86hBqKGzo5mnQFCxwQiJqjQlxGVSKgopmC1glB12s=;
	h=From:To:Subject:Date:From;
	b=TYAK4kMBj+lQG7xhC5eabZjaqwKcZxPTrRsisHY9/YCXatBb0R/xdRZO7PirI78bG
	 sIg77HdgtQMFJJR/hO12qNIcbWD5VIlMCkYmkt+AbcJ07jtOdbBYxfSh0NBgkN7h2G
	 jIWhJw29gIFuNLGbmNwDogCZuS0bFM0rQ2Mu+Fas=
From: "dcb314 at hotmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: =?UTF-8?B?W0J1ZyBjLzEwODM4NF0gTmV3OiBlcnJvcjogY29udmVyc2lvbiBv?=
 =?UTF-8?B?ZiByZWdpc3RlciB0byBhIGRpZmZlcmVudCBzaXplIGluIOKAmHZpZXdfY29u?=
 =?UTF-8?B?dmVydF9leHBy4oCZ?=
Date: Thu, 12 Jan 2023 14:53:16 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: c
X-Bugzilla-Version: 13.0
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: dcb314 at hotmail dot com
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status
 bug_severity priority component assigned_to reporter target_milestone
 attachments.created
Message-ID: <bug-108384-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
List-Id: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108384

            Bug ID: 108384
           Summary: error: conversion of register to a different size in
                    =E2=80=98view_convert_expr=E2=80=99
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com
  Target Milestone: ---

Created attachment 54256
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D54256&action=3Dedit
C source code

The attached C code does this:

$ ~/gcc/results/bin/gcc -c -w -O3 -ftrivial-auto-var-init=3Dzero bug873.c
testFile.4557.c: In function =E2=80=98func_1.isra=E2=80=99:
testFile.4557.c:130:16: error: conversion of register to a different size in
=E2=80=98view_convert_expr=E2=80=99
VIEW_CONVERT_EXPR<short int>(removed_ipa_cp.834_390);

_393 =3D VIEW_CONVERT_EXPR<short int>(removed_ipa_cp.834_390);
during GIMPLE pass: fixup_cfg
testFile.4557.c:130:16: internal compiler error: verify_gimple failed
0xeaab49 verify_gimple_in_cfg(function*, bool, bool)
        ../../trunk.d1/gcc/tree-cfg.cc:5647
0xd46c5b execute_function_todo(function*, void*)
        ../../trunk.d1/gcc/passes.cc:2091

The bug first seems to occur sometime between git hash g:d901bf8a44a85e12
and g:b399afd22c6ea507.

A reduction is running now.=