NetBSD Problem Report #53139

From wiz@yt.nih.at  Wed Mar 28 14:05:42 2018
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Date: Wed, 28 Mar 2018 16:05:28 +0200 (CEST)
From: Thomas Klausner <wiz@NetBSD.org>
Reply-To: Thomas Klausner <wiz@NetBSD.org>
To: gnats-bugs@NetBSD.org
Subject: -fstack-check causes build error in mail/thunderbird
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>Number:         53139
>Category:       toolchain
>Synopsis:       -fstack-check causes build problem in mail/thunderbird
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    toolchain-manager
>State:          closed
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Mar 28 14:10:00 +0000 2018
>Closed-Date:    Thu Feb 14 23:10:09 +0000 2019
>Last-Modified:  Thu Feb 14 23:10:09 +0000 2019
>Originator:     Thomas Klausner
>Release:        NetBSD 8.99.14
>Organization:
Curiosity is the very basis of education and if you tell me that 
curiosity killed the cat, I say only that the cat died nobly.
- Arnold Edinborough
>Environment:


Architecture: x86_64
Machine: amd64
>Description:
When adding PKGSRC_USE_STACK_CHECK=yes to /etc/mk.conf, mail/thunderbird stops building:

In file included from /scratch/mail/thunderbird/work/build/layout/generic/Unified_cpp_layout_generic1.cpp:11:0:
/scratch/mail/thunderbird/work/thunderbird-52.6.0/mozilla/layout/generic/nsBlockFrame.cpp: In member function 'virtual nscoord nsBlockFrame::GetMinISize(nsRenderingContext*)':
/scratch/mail/thunderbird/work/thunderbird-52.6.0/mozilla/layout/generic/nsBlockFrame.cpp:704:1: internal compiler error: in refs_may_alias_p_1, at tree-ssa-alias.c:1429
 nsBlockFrame::GetMinISize(nsRenderingContext *aRenderingContext)
 ^~~~~~~~~~~~
no stack trace because unwind library not available
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://www.NetBSD.org/support/send-pr.html> for instructions.

security/tor-browser is affected in the same way.
>How-To-Repeat:
echo 'PKGSRC_USE_STACK_CHECK=yes' >> /etc/mk.conf
cd /usr/pkgsrc/mail/thunderbird
make package

>Fix:

>Release-Note:

>Audit-Trail:
From: Thomas Klausner <wiz@NetBSD.org>
To: NetBSD bugtracking <gnats-bugs@NetBSD.org>
Cc: 
Subject: Re: toolchain/53139: -fstack-check causes build error in
 mail/thunderbird
Date: Wed, 28 Mar 2018 23:21:46 +0200

 I've now also reported this upstream at

 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85114

 with more details and the .ii file.
  Thomas

State-Changed-From-To: open->feedback
State-Changed-By: maya@NetBSD.org
State-Changed-When: Tue, 25 Dec 2018 13:30:16 +0000
State-Changed-Why:
This had an upstream commit: https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=251650
What would you like to do with this? This will be fixed if we update to GCC-7.


From: Thomas Klausner <wiz@NetBSD.org>
To: gnats-bugs@NetBSD.org
Cc: 
Subject: Re: toolchain/53139 (-fstack-check causes build problem in
 mail/thunderbird)
Date: Wed, 26 Dec 2018 00:32:19 +0100

 First priority was to get it debugged, which happened.

 It'd be great to be able to build thunderbird again, so a gcc 7 import
 would be neat. Backporting the fix is probably not worth the time.

 Not sure what the best handling of the PR itself is.
  Thomas

State-Changed-From-To: feedback->analyzed
State-Changed-By: wiz@NetBSD.org
State-Changed-When: Sun, 06 Jan 2019 10:33:26 +0000
State-Changed-Why:
feedback supplied


State-Changed-From-To: analyzed->closed
State-Changed-By: wiz@NetBSD.org
State-Changed-When: Thu, 14 Feb 2019 23:10:09 +0000
State-Changed-Why:
Fixed by recent gcc7 import. Thanks mrg!


>Unformatted:

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