On Wed, Feb 17, 2016 at 02:45:36PM +0100, Richard Biener wrote:
> OTOH I have in my local trees a more convenient form (attached).
> 
> (gdb) call debug_dot_cfg (cfun, 1<<6)
> 
> and a X window with the dotted graph opens.

Is there any chance we could get this into the mainline?  I'd love to use
this without having to patch my tree locally.  If I remember correctly
there were some issues with unportable popen()?

        Marek

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