http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45865
Richard Henderson <rth at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |rth at gcc dot gnu.org
--- Comment #13 from Richard Henderson <rth at gcc dot gnu.org> 2010-10-23
17:25:44 UTC ---
(In reply to comment #10)
> The function has multiple epilogues:
>
> epilogue 1
> ....
> label1:
> ...
> return
>
> epilogue 2
> ...
> jump label1
> epilogue 3
>
> According to
>
> http://gcc.gnu.org/ml/gcc-patches/2010-10/msg00817.html
>
> "jump label1" should be masked as a return jump.
That's incorrect, it is not a return jump.
This bug happens much earlier than you're looking. We've
cross-jumped in between epilogues and we've produced a
situation in which the unwind info is incorrect.
