On Mon, 3 Jul 2017, Tom de Vries wrote: > Hi, > > this patch adds a debug function dotfn and a convenience macro DOTFN similar > to dot-fn in gdbhooks.py. > > It can be used to have the compiler: > - dump a control flow graph, or > - pop up a control flow graph window > at specific moments in the compilation flow, for debugging purposes. > > Bootstrapped and reg-tested on x86_64. > > Used for debugging PR81192. > > OK for trunk?
Why's dot-fn not enough? I'd rather extend stuff in gdbhooks.py than adding this kind of stuff to gcc itself. Thanks, Richard.
