[llvm] [Support] Assert that DomTree nodes share parent (PR #101198)

[Nikita Popov via llvm-commits]

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@@ -0,0 +1,25 @@
+; RUN: opt -passes=alignment-from-assumptions -disable-output < %s
+
+; REQUIRES: asserts
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nikic wrote:

Drop this and add (generated) check lines, even if you're only testing for "does not crash".

https://github.com/llvm/llvm-project/pull/101198