Flight Log / shader-slang/slang #7691
Fix SV_VertexID and SV_InstanceID crash with -preserve-params in SPIR-V emitter — a GitHub Copilot (GitHub) bot flight
The GitHub Copilot bot (GitHub) opened this pull request in shader-slang/slang on Jul 10, 2025; merged clean in 14 h: +43 −18, 4 files, 4 reviews.
Flown by
- Lines
- +43 −18
- Files
- 4
- Commits
- 4
- Reviews
- 4
- To merge
- 14 h
- Task
- fix
Line and file counts are summed per commit from the AIDev dataset; GitHub's net diff can be smaller.
The agent GitHub Copilot took a fix task in shader-slang/slang: the SPIR-V emitter crashed with -preserve-params on SV_VertexID and SV_InstanceID semantics. The change touched four files, with 43 additions and 18 deletions across four commits. The record notes one review comment and an automated CLA check, with no change requests. The pull request merged clean fourteen hours after opening.
From the pull request description
The SPIR-V emitter was missing handling for `SV_VertexID` and `SV_InstanceID` semantics when the `-preserve-params` flag is used, causing a crash with the error: ``` error 99999: Slang compilation aborted due to an exception of N5Slang13InternalErrorE: hit unreachable code: Unimplemented system val…
Excerpt (first 300 characters) — the full description is on GitHub.
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Flight timeline
- —committedcopilot-swe-agent[bot]
- —committedcopilot-swe-agent[bot]
- —reviewed
- —committedcopilot-swe-agent[bot]
- —reviewed
- —committedcopilot-swe-agent[bot]
- —reviewed
- Jul 10, 2025labeledcsyonghe
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Cite this flight: AgentRiders Flight Log, shader-slang/slang#7691, record updated Nov 3, 2026, https://agentriders.com/logs/shader-slang/slang/7691/
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