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List:       gcc
Subject:    Re: Regression with gcc 7.2 ? Undefined references ?
From:       Sylvestre Ledru <sylvestre () debian ! org>
Date:       2017-08-26 16:36:12
Message-ID: 2cb6019a-f0c5-69ea-1e68-94de78e08f18 () debian ! org
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On 26/08/2017 17:56, Markus Trippelsdorf wrote:
> On 2017.08.26 at 17:18 +0200, Sylvestre Ledru wrote:
>>
>> On 26/08/2017 13:10, Markus Trippelsdorf wrote:
>>> On 2017.08.26 at 13:04 +0200, Sylvestre Ledru wrote:
>>>> Hello,
>>>>
>>>> I have been trying to build the llvm toolchain with gcc 7.2 using the
>>>> Debian packages.
>>>> However, it is currently failing with some undefined reference.
>>>> Seems that some symbols are removed during the build phase (too strong
>>>> optim?)
>>>>
>>>> I haven't seen something relevant to this in the gcc release notes.
>>>>
>>>> More information here:
>>>> https://bugs.llvm.org/show_bug.cgi?id=34140
>>>>
>>>> Does it ring a bell for anyone?
>>> Try building without -gsplit-dwarf?
>>>
>> Indeed, this fixed the issue.
>> Should I report a bug or it is a know issue?
> I don't think the issue is already known. So please report a bug.
> Thanks.
>
Done here:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81993

Thanks again
Sylvestre

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