[llvm] [LoopFusion] Forget loop and block dispositions after latch merge (PR #166233)

[via llvm-commits]

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@@ -0,0 +1,62 @@
+; RUN: opt -passes=loop-fusion -disable-output -stats < %s 2>&1 | FileCheck -check-prefix=STAT %s
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CongzheUalberta wrote:

Add `; REQUIRES: asserts`

-stats requires asserts.

https://github.com/llvm/llvm-project/pull/166233