[Bug tree-optimization/51759] [4.5 Regression] miscompile writes past end of bitfield
jamborm at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Thu Jan 5 13:39:00 GMT 2012
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51759
Martin Jambor <jamborm at gcc dot gnu.org> changed:
What |Removed |Added
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Status|NEW |ASSIGNED
AssignedTo|unassigned at gcc dot |jamborm at gcc dot gnu.org
|gnu.org |
--- Comment #4 from Martin Jambor <jamborm at gcc dot gnu.org> 2012-01-05 13:39:22 UTC ---
(In reply to comment #3)
> Where 4.6 says:
>
> Candidate (2069): this
> ! Disqualifying this - Encountered a bit-field access.
>
> which hints at what needs backporting.
>
> Martin?
Right, this seems to be PR 45644, for some reason I did not backport
the fix to 4.5. It should be fixed by committing
http://gcc.gnu.org/viewcvs?view=revision&revision=164313
I'll do the backport and test it today.
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