[Bug middle-end/71002] [6/7 Regression] -fstrict-aliasing breaks Boost's short string optimization implementation

[rguenther at suse dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71002

--- Comment #4 from rguenther at suse dot de <rguenther at suse dot de> ---
On Mon, 9 May 2016, tavianator at gmail dot com wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71002
> 
> --- Comment #3 from Tavian Barnes <tavianator at gmail dot com> ---
> Because their long_t is not POD.  I don't know why that is though.  It could be
> POD if they removed the default/copy constructors and assignment operator.
> 
> Actually they're probably worried about custom allocators where the pointer
> type is not POD.  So it couldn't be POD in general, and thus can't appear in a
> union directly (in C++03).

But if it is not POD then assuming it gets copied correctly when
init-constructing a POD union where they placed such object is
an interesting assumption...