[polly] r271512 - [FIX] Ensure wrapping checks for unary expressions

[Johannes Doerfert via llvm-commits]

On 06/07, Tobias Grosser wrote:
> On 06/02/2016 01:08 PM, Johannes Doerfert via llvm-commits wrote:
> > Author: jdoerfert
> > Date: Thu Jun  2 06:08:43 2016
> > New Revision: 271512
> > 
> > URL: http://llvm.org/viewvc/llvm-project?rev=271512&view=rev
> > Log:
> > [FIX] Ensure wrapping checks for unary expressions
> 
> Hi Johannes,
> 
> any reason you could not add a test case here?
No not particularly. I guess one has to use the json import to ensure
an unary minus in front of a value that did not have one before.
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