[llvm] r229352 - IR: Properly return nullptr when getAggregateElement is out-of-bounds

[David Majnemer]

On Tue, Feb 17, 2015 at 2:39 PM, Hans Wennborg <hans at chromium.org> wrote:

> On Sun, Feb 15, 2015 at 8:02 PM, David Majnemer
> <david.majnemer at gmail.com> wrote:
> > Author: majnemer
> > Date: Sun Feb 15 22:02:09 2015
> > New Revision: 229352
> >
> > URL: http://llvm.org/viewvc/llvm-project?rev=229352&view=rev
> > Log:
> > IR: Properly return nullptr when getAggregateElement is out-of-bounds
> >
> > We didn't properly handle the out-of-bounds case for
> > ConstantAggregateZero and UndefValue.  This would manifest as a crash
> > when the constant folder was asked to fold a load of a constant global
> > whose struct type has no operands.
> >
> > This fixes PR22595.
>
> Björn suggested we should merge this to 3.6. David, do you think this
> would be ok?
>

Yes, please merge this.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20150217/ec64aec7/attachment.html>