[PATCH] D113101: [Polly][Isl] Use the function unsignedFromIslSize to manage a isl::size object. NFCI

[Riccardo Mori via Phabricator via llvm-commits]

patacca added a comment.

I've tested it with the llvm test suite and it's showing 1 test failing but it's not related to this patch (`MultiSource/Applications/lambda-0.1.3/lambda.test`)

I added the `IslAssert` function with the idea that it might be useful but in the end we just use `unsignedFromIslSize` so tell me if you think it's better to remove it


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https://reviews.llvm.org/D113101