On 8/9/2017 8:04 AM, Andi Kleen wrote:
I would add a new option
-fforce-frame-pointer
that gives the old -fno-omit-frame-pointer back, so that
users relying on frame pointers everywhere have a workaround.


that function should also fix the current situation where the framepointer is 
not useful
because all actual code was moved to be outside the frame pointer code
(e.g.  push/mov/pop followed by the actual function code)

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