[llvm] [utils][UpdateTestChecks] Warn about possible target triple mismatch (PR #149645)

[Florian Hahn via llvm-commits]

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@@ -142,7 +142,12 @@ def update_test(ti: common.TestInfo):
             triple = common.get_triple_from_march(march_in_cmd)
 
         scrubber, function_re = output_type.get_run_handler(triple)
-        builder.process_run_line(function_re, scrubber, raw_tool_output, prefixes)
+        if not builder.process_run_line(
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fhahn wrote:

better either return a bool from `process_run_line` or check `!= 0` for clarity?

https://github.com/llvm/llvm-project/pull/149645