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Subject: Re: [ANNOUNCEMENT] Test: {mingw64-{i686,x86_64}-,}gcc-11.1.0-0.1
To: cygwin@cygwin.com
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Message-ID: <0c2f908b-d3ac-5bd6-92b1-c2bd0970ec24@gmail.com>
Date: Wed, 12 May 2021 10:42:08 +0000
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From: Jonathan Yong via Cygwin <cygwin@cygwin.com>
Reply-To: Jonathan Yong <10walls@gmail.com>
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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? Are you also able to 
produce a minimal test case?

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