Re: [Boost-users] signals2::slot_type & g++ anti-aliasing warning

Subject: Re: [Boost-users] signals2::slot_type & g++ anti-aliasing warning
From: Frank Mori Hess (frank.hess_at_[hidden])
Date: 2010-11-08 10:00:08

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On Monday 08 November 2010, Ákos Maróy wrote:
> when compiled with the -Wall and -O2 flags, I get the following compiler
> warning:
>
> ...
> sample.cxx:13:   instantiated from here
> /home/maroy/src/mxp/usr/include/boost/function/function_base.hpp:321:
> warning: dereferencing type-punned pointer will break strict-aliasing
> rules
> /home/maroy/src/mxp/usr/include/boost/function/function_base.hpp:325:
> warning: dereferencing type-punned pointer will break strict-aliasing
> rules

There's already a ticket for this against Boost.Function:

https://svn.boost.org/trac/boost/ticket/4538

My guess is that it's just a gcc false positive, and can be ignored.

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