[llvm] update_test_checks: keep meta variables stable by default (PR #76748)

[Jannik Silvanus via llvm-commits]

Nicolai =?utf-8?q?Hähnle?= <nicolai.haehnle at amd.com>,
Nicolai =?utf-8?q?Hähnle?= <nicolai.haehnle at amd.com>,
Nicolai =?utf-8?q?Hähnle?= <nicolai.haehnle at amd.com>,
Nicolai =?utf-8?q?Hähnle?= <nicolai.haehnle at amd.com>,
Nicolai =?utf-8?q?Hähnle?= <nicolai.haehnle at amd.com>
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In-Reply-To: <llvm.org/llvm/llvm-project/pull/76748 at github.com>


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@@ -1187,20 +1233,317 @@ def may_clash_with_default_check_prefix_name(check_prefix, var):
     )
 
 
+def find_diff_matching(lhs: List[str], rhs: List[str]) -> List[int]:
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jasilvanus wrote:

We return a list of tuples of ints, not a list of ints.

https://github.com/llvm/llvm-project/pull/76748