[llvm] update_test_checks: add new --filter-all-after option (PR #129739)

[David Sherwood via llvm-commits]

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@@ -151,6 +159,13 @@ def __call__(self, parser, namespace, values, option_string=None):
         metavar="REGEX",
         help="Exclude lines matching REGEX",
     )
+    filter_group.add_argument(
+        "--filter-all-after",
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david-arm wrote:

Done

https://github.com/llvm/llvm-project/pull/129739