From: Thomas Wolff <towo@towo.net>
To: cygwin@cygwin.com
Subject: Re: [ANNOUNCEMENT] Test: {mingw64-{i686,x86_64}-,}gcc-11.1.0-0.1
Date: Wed, 12 May 2021 20:30:21 +0200 [thread overview]
Message-ID: <7abf399d-1844-16da-ce49-afe442509ad3@towo.net> (raw)
In-Reply-To: <0c2f908b-d3ac-5bd6-92b1-c2bd0970ec24@gmail.com>
Am 12.05.2021 um 12:42 schrieb Jonathan Yong via Cygwin:
> On 5/12/21 9:14 AM, Thomas Wolff wrote:
>> Am 10.05.2021 um 21:13 schrieb Achim Gratz:
>>> The native and mingw-w64 cross compilers have been updated for both
>>> architectures to the latest upstream release version:
>>>
>>> gcc-11.1.0-0.1
>> Are there any known problems with gcc 11? My program crashes if
>> compiled with gcc -O2; gcc -O1 works, gcc 10 also works.
>> Thomas
>>
>>> mingw64-i686-gcc-11.1.0-0.1
>>> mingw64-x86_64-gcc-11.1.0-0.1
>>>
>>> This test release includes libgccjit as a separate package for the
>>> native toolchain on both architectures. Since Cygwin can't use ASLR
>>> any
>>> nontrivial dynamic objects that get created in this way will likely
>>> need
>>> to get rebased before they can be used (especially on 32bit). It is
>>> unlikely that build systems recognize the need for doing that at the
>>> moment.
>>>
>>> Please test these compilers with your packages and applications as
>>> extensively as possible (especially if you are a Cygwin package
>>> maintainer). Unless problems are found that necessitate another round
>>> of testing, the plan is to bootstrap the support libraries with the new
>>> toolchain and do a non-test update in about two to four weeks.
>>>
>>
>>
>
> Does stripping the optimized executable fix things?
No
> Are you also able to produce a minimal test case?
Hardly. Behaviour is totally erratic. If I let the stacktrace tell me
where it crashed and make the function empty, it happens somewhere else...
next prev parent reply other threads:[~2021-05-12 18:30 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-10 19:13 Achim Gratz
2021-05-12 9:14 ` Thomas Wolff
2021-05-12 10:42 ` Jonathan Yong
2021-05-12 18:30 ` Thomas Wolff [this message]
2021-05-13 1:41 ` Brian Inglis
2021-05-13 2:22 ` Thomas Wolff
2021-05-12 18:53 ` Achim Gratz
2021-05-13 8:57 ` Thomas Wolff
2021-05-13 19:33 ` Hans-Bernhard Bröker
2021-05-13 21:57 ` Thomas Wolff
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