[llvm] Add sanity test workflow for checking libc++ bots quickly. (PR #74267)

[Tobias Hieta via llvm-commits]

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@@ -0,0 +1,35 @@
+# A sanity check for the libc++ github actions runners. It simply attempts to schedule a job on each runner and
+# then prints some info about each runner.
+#
+# The runner sets are currently:
+#   - libcxx-runners-8-set
+#   - libcxx-runners-32-set
+
+# FIXME: Write this workflow
+name: Actions Infrastructure Sanity Check for Libc++
+
+permissions:
+  contents: read
+
+on:
+  workflow_dispatch:
+    inputs:
+        runner_set:
+            description: 'Runner set to test'
+            type: choice
+            options:
+            - 'libcxx-runners-8-set'
+            - 'libcxx-runners-32-set'
+            default: 'libcxx-runners-8-set'
+jobs:
+  build:
+    if: github.actor == 'EricWF' && github.repository == 'llvm/llvm-project'
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tru wrote:

why is this just limited to your user? wouldn't it be good for other people to be able to run this workflow?

https://github.com/llvm/llvm-project/pull/74267