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Auto merge of rust-lang#115747 - Zoxc:query-hashes, r=<try>
Optimize hash map operations in the query system This optimizes hash map operations in the query system by explicitly passing hashes and using more optimal operations. `find_or_find_insert_slot` in particular saves a hash table lookup over `entry`. It's not yet available in a safe API, but will be in rust-lang/hashbrown#466. <table><tr><td rowspan="2">Benchmark</td><td colspan="1"><b>Before</b></th><td colspan="2"><b>After</b></th></tr><tr><td align="right">Time</td><td align="right">Time</td><td align="right">%</th></tr><tr><td>🟣 <b>clap</b>:check</td><td align="right">1.6189s</td><td align="right">1.6129s</td><td align="right"> -0.37%</td></tr><tr><td>🟣 <b>hyper</b>:check</td><td align="right">0.2353s</td><td align="right">0.2337s</td><td align="right"> -0.67%</td></tr><tr><td>🟣 <b>regex</b>:check</td><td align="right">0.9344s</td><td align="right">0.9289s</td><td align="right"> -0.59%</td></tr><tr><td>🟣 <b>syn</b>:check</td><td align="right">1.4693s</td><td align="right">1.4652s</td><td align="right"> -0.28%</td></tr><tr><td>🟣 <b>syntex_syntax</b>:check</td><td align="right">5.6606s</td><td align="right">5.6439s</td><td align="right"> -0.30%</td></tr><tr><td>Total</td><td align="right">9.9185s</td><td align="right">9.8846s</td><td align="right"> -0.34%</td></tr><tr><td>Summary</td><td align="right">1.0000s</td><td align="right">0.9956s</td><td align="right"> -0.44%</td></tr></table> r? `@cjgillot`
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