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On 14/08/13 01:40, Ryan Hill wrote: |
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> On Tue, 13 Aug 2013 07:13:13 +0200 |
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> Luca Barbato <lu_zero@g.o> wrote: |
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> |
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>> On 13/08/13 03:41, Ryan Hill wrote: |
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>>> I don't see any reason to keep this masked other than bug #416069, which |
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>>> needs to be fixed anyways. How does Friday sound? |
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>>> |
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>>> https://bugs.gentoo.org/416069 xorg-2.eclass: add |
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>>> --disable-selective-werror to configure https://bugs.gentoo.org/461954 GCC |
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>>> 4.8 porting |
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>> |
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>> gcc-4.8 can miscompile libc |
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>> |
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>> http://gcc.gnu.org/bugzilla//show_bug.cgi?id=56888 |
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>> |
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>> We should make sure we do not get bitten by this. |
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> |
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> We don't build glibc with -O3. Other libc's should either not use -O3 or |
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> use -fno-tree-loop-distribute-patterns where applicable. |
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> |
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On certain arches the memcpy tranformation happens even on lower |
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optimization levels or so I saw reported. |
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lu |
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