[lld] [llvm] [DTLTO] Make temporary file handling consistent (PR #176807)

[Teresa Johnson via llvm-commits]

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@@ -0,0 +1,61 @@
+"""Run command, wait for "send-signal1" file to exist, perform some action on
+the DTLTO files (such as locking them) the action performed is based on the test
+directory name, then create "send-signal2" file."""
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teresajohnson wrote:

A clearer behavior might be to require 2 options: the output directory and the action (e.g. something like "default", "lock", "remove")

https://github.com/llvm/llvm-project/pull/176807