[llvm] r196611 - Don't use isNullValue to evaluate ConstantExpr

[Alp Toker]

On 07/12/2013 17:54, Duncan P. N. Exon Smith wrote:
> On 2013 Dec 7, at 02:01, Alp Toker <alp at nuanti.com> wrote:
>
>> Thanks Duncan, also fixes PR17077.
> It was fun to track down.  Frustrating that we were working in parallel on dups.
>
>> Bill, could you pull this into 3.4?
> +1, but I thought 3.4 was only accepting regressions against 3.3?

Bill is way ahead of us, he merged it yesterday in r196614 :-)

>
>> I guess Apple clang has been shipping with this patch for some time
> Nope.

Ah, what threw me off was that my system clang didn't have the bug. 
Suppose it was just branched before the bug was introduced.

Cheers,
Alp.

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