[llvm] [LV] Fix emission of debug message in legality check (PR #101924)

[Ramkumar Ramachandra via llvm-commits]

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@@ -0,0 +1,36 @@
+; This test asserts that we don't emit both
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artagnon wrote:

Nit: I'd probably name this test dbg-print-no-vectorize.

https://github.com/llvm/llvm-project/pull/101924