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Avoid a source_span query when encoding Spans into query results
#115657
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| encode_query_cache(tcx, e) | ||
| }); | ||
| }); | ||
| }, |
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Why are blocks swapped?
Should this block be wrapped inside a dep_graph.with_query_deserialization to ICE if a query is invoked?
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typeck and mir_borrowck still use queries in their cache_on_disk_if block, so that cannot be used yet. This block order can cause panics due to GraphEncoder being stolen though, so it will catch query execution at least.
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@bors r+ |
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☀️ Test successful - checks-actions |
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Finished benchmarking commit (38bbc2c): comparison URL. Overall result: ❌✅ regressions and improvements - ACTION NEEDEDNext Steps: If you can justify the regressions found in this perf run, please indicate this with @rustbot label: +perf-regression Instruction countThis is a highly reliable metric that was used to determine the overall result at the top of this comment.
Max RSS (memory usage)ResultsThis is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.
CyclesThis benchmark run did not return any relevant results for this metric. Binary sizeThis benchmark run did not return any relevant results for this metric. Bootstrap: 629.42s -> 628.91s (-0.08%) |
@rustbot label: +perf-regression-triaged |
This avoids a
source_spanquery when encodingSpans into query results. It's not sound to execute queries here as the query caches can be locked and the dep graph is no longer writable.r? @cjgillot