http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60640

--- Comment #2 from Martin Jambor <jamborm at gcc dot gnu.org> ---
Created attachment 32459
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32459&action=edit
Possible fix

The problem is that IPA-CP skips thunks when it redirects edges to the
new clones it produces.

I am currently testing this patch which duplicates thunks when
redirecting edges.  It is quite possible it will have issues.  In any
event, Honza, do you have any comments?

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