svn commit: r416661 - in head/lang: . gcc6
Alexey Dokuchaev
danfe at FreeBSD.org
Sun Jun 12 02:50:58 UTC 2016
On Fri, Jun 10, 2016 at 09:04:15AM +0000, Gerald Pfeifer wrote:
> New Revision: 416661
> URL: https://svnweb.freebsd.org/changeset/ports/416661
>
> Log:
> Welcome to the GCC 6.1 release, the first release of the GCC 6 series.
>
> The default mode for C++ is now -std=gnu++14 instead of -std=gnu++98.
>
> Type-based alias analysis now disambiguates accesses to different pointers.
> This improves precision of the alias oracle by about 20-30% on higher-level
> C++ programs. Programs doing invalid type punning of pointer types may now
> need -fno-strict-aliasing to work correctly.
Luckily we have -fno-strict-aliasing in the default CFLAGS (some interesting
read on the subject: http://blog.regehr.org/archives/1307, via fanf@).
Also, thanks for the excellent commit message Gerald (as always).
./danfe
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