On Mon, Nov 14, 2011 at 06:25:19PM -0300, Alvaro Herrera wrote: > > All 10 were like this: > > > > warning: dereferencing type-punned pointer will break > > strict-aliasing rules > > Uhm, shouldn't we expect there to be one warning for each use of a Node > using some specific node pointer type as well as something generic such > as inside a ListCell etc?
Maybe they're safe? But in any case given the use of Node, a may be an idea to mark it with attribute((__may_alias__)), that should clear up most of the problems in that area. http://ohse.de/uwe/articles/gcc-attributes.html#type-may_alias Have a nice day, -- Martijn van Oosterhout <klep...@svana.org> http://svana.org/kleptog/ > He who writes carelessly confesses thereby at the very outset that he does > not attach much importance to his own thoughts. -- Arthur Schopenhauer
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