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Re: GCC 6 backports
- From: Martin Liška <mliska at suse dot cz>
- To: Jan Hubicka <hubicka at ucw dot cz>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Fri, 18 May 2018 10:01:13 +0200
- Subject: Re: GCC 6 backports
- References: <f989799d-44cc-de5e-6a6d-b8b8ef4da576@suse.cz> <f1eb2728-637b-daa5-8d14-1d4b78089706@suse.cz> <20180425131606.GA20988@atrey.karlin.mff.cuni.cz>
On 04/25/2018 03:16 PM, Jan Hubicka wrote:
>> Hi.
>>
>> Sending GCC 6 branch backports.
>> Patches can bootstrap on ppc64le-redhat-linux and survives regression tests.
>> I'm going to install the patches.
>>
>> Martin
>
>> >From e0d32b1f9e0dd0486e63040e1ab8f5d8e9f0fbd5 Mon Sep 17 00:00:00 2001
>> From: marxin <marxin@138bc75d-0d04-0410-961f-82ee72b054a4>
>> Date: Tue, 10 Apr 2018 07:24:59 +0000
>> Subject: [PATCH 1/4] Backport r259265
>>
>> gcc/lto/ChangeLog:
>>
>> 2018-04-10 Richard Biener <rguenther@suse.de>
>> Martin Liska <mliska@suse.cz>
>>
>> PR lto/85248
>> * lto-symtab.c (lto_symtab_merge_p): Handle noreturn attribute.
>
> Support for syntactic duplicates was new at that time and several
> changes was made later. So enabling more of them may lead to troubles.
> Did you test that this works for Firefox build?
No, but I've just tested Libreoffice build w/ LTO and it's successfully built.
Martin
>
> Honza
>