[llvm] [DA] Fix the check between Subscript and Size after delinearization (PR #151326)

[Ryotaro Kasuga via llvm-commits]

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@@ -1,5 +1,8 @@
 ; RUN: opt < %s -disable-output "-passes=print<ddg>" 2>&1 | FileCheck %s
 
+; XFAIL: *
+; At the moment, DependenceAnalysis cannot infer `n` to be positive.
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kasuga-fj wrote:

Is it permitted to add `XFAIL: *` temporary to the failed test?

https://github.com/llvm/llvm-project/pull/151326