[Bug bootstrap/52041] [4.7 Regression] Bootstrap failure at revision 183650 with --enable-checking=release

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52041

--- Comment #21 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-01-31 09:53:42 UTC ---
(In reply to comment #18)
> Created attachment 26522 [details]
> X450
> 
> And ipa-prop doesn't seem to initialize ao.volatile_p.  I think it is a bad
> idea not to call ao_ref_init, otherwise next time some further field is added,
> we'll hit this bug again.

That patch is ok.  We should indeed always call ao_ref_init (maybe I
should move it to some place inlinable).