fix(ci): track moved RS4GC unit gate

[proggeramlug]

The scheduled llvm-inprocess run passed its full codegen test suite but failed afterward because its non-vacuity assertion still expected inprocess::tests::rs4gc_schedules_in_process. The inprocess.rs split moved that test to inprocess::optimize_emit::tests, so the gate reported failure even though the RS4GC pin ran and passed.

Match the unique test-function suffix instead of its internal module path, and remove the stale hard-coded suite count from the step label. The assertion still requires an explicit ... rs4gc_schedules_in_process ... ok harness line, so a skipped or missing test cannot make the gate green.

Validation:

• exact workflow unit block: 1,449 passed, 1 ignored, 0 failed; all four corpus/RS4GC non-vacuity assertions matched;
• actionlint .github/workflows/llvm-inprocess.yml;
• scripts/run_lint_gates.sh: all 64 local gates passed, 2 CI-expression rows skipped; workspace warnings check and Clippy passed.

Closes #9928

Summary by CodeRabbit

• Chores
  • Improved automated validation for in-process test results.
  • Test checks now support valid executions across different in-process module paths.
  • Test reporting no longer depends on a hardcoded total test count.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Team

Run ID: 5ede6bd4-a9e2-420c-8e37-981ad96293b3

📥 Commits

Reviewing files that changed from the base of the PR and between 87dc334 and 3622fcd.

📒 Files selected for processing (1)

• .github/workflows/llvm-inprocess.yml

Included review availability: Your plan provides up to 8 included reviews per hour; 6 remain after this review.

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📝 Walkthrough

Walkthrough

The workflow removes the hardcoded unit-test count from the gate name. It also replaces the fixed RS4GC test path match with an anchored regex that accepts any submodule path.

Changes

LLVM in-process gate

Layer / File(s)	Summary
Workflow gate naming and assertion .github/workflows/llvm-inprocess.yml	The unit-gates label no longer includes a fixed test count. The RS4GC assertion matches the test output under any submodule and anchors the complete line.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Merge Risk: ⚪ Minimal · up to 3622f

The scheduled LLVM in-process gate now recognizes the relocated RS4GC test while still requiring it to pass. The stale test-count label is removed, and the workflow change is ready to merge.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely describes the CI fix for the relocated RS4GC unit gate.
Description check	✅ Passed	The description explains the failure, the workflow changes, the validation performed, and links issue #9928. It omits the template headings and checklist, but the required content is substantially pre…
Linked Issues check	✅ Passed	The changes address issue #9928 by updating the llvm-inprocess gate to detect the relocated rs4gc_schedules_in_process test and removing the stale test-count label.
Out of Scope Changes check	✅ Passed	The changes are limited to the llvm-inprocess workflow and directly support the linked issue. No unrelated changes are identified.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[proggeramlug]

Landed on main via merge train #9939. Validated as a tree: 66/66 lint gates, and perry-runtime/codegen/hir/stdlib all green (5,966 tests, 0 failures). Thanks!