From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5949 invoked by alias); 25 Mar 2015 19:12:41 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 5893 invoked by uid 48); 25 Mar 2015 19:12:37 -0000 From: "rainer@emrich-ebersheim.de" To: gcc-bugs@gcc.gnu.org Subject: [Bug lto/65559] [5 Regression] lto1.exe: internal compiler error: in read_cgraph_and_symbols, at lto/lto.c:2947 Date: Wed, 25 Mar 2015 20:01:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: lto X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: rainer@emrich-ebersheim.de X-Bugzilla-Status: NEW 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: Message-ID: In-Reply-To: References: 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: 2015-03/txt/msg02844.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65559 --- Comment #2 from Rainer Emrich --- (In reply to Kai Tietz from comment #1) > Yeah, I noticed such failures too. > AFAI researched them, they are related to out-of-stack issues. > > The problem seems to be that within lto a lot of vec-s are passed on stack > and lead for stack-limited targets easily to out-of-stack issues. > > Not sure if this is here really the reason, but my gut feeling would say so. > > Nevertheless I can confirm this ice This issue is new, last time I ran the whole testsuite, end of october last year, I didn't get such ICEs. And they are present in the g++ testsuite too. And there are a lot of them.