[llvm-commits] PATCH: clone and compare nsw/nuw/exact/inbounds in VMCore.

[Nick Lewycky]

The new optimization bits were missing some pieces in the VMCore. They 
weren't being cloned by Instruction::clone and they weren't being 
compared by Instruction::isIdenticalTo. This patch is a quick attempt at 
fixing that.

Dan, please review this and let me know if you like it as-is, or fix and 
commit it if you want to make changes to it.

We will want this patch in 2.6.

Nick
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