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Rollup of 4 pull requests#114272

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bors merged 9 commits intorust-lang:masterrust-lang/rust:masterfrom workingjubilee:rollup-ll9lwonworkingjubilee/rustc:rollup-ll9lwonCopy head branch name to clipboardJul 31, 2023

+59-61

Commits

Commits on Apr 27, 2023

• std: use LazyLock to lazily resolve backtraces

  joboet

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Commits on Jul 26, 2023

• std: add auto traits to TAIT bound

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Commits on Jul 30, 2023

• Don't install default projection bound for RPITITs

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• Fix empty_write since rust version attribute

  SUPERCILEX

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Commits on Jul 31, 2023

• Stabilize const-weak-new

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• Rollup merge of rust-lang#95965 - CAD97:const-weak-new, r=workingjubilee

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• Rollup merge of rust-lang#109075 - joboet:lazylock_backtrace, r=workingjubilee

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• Rollup merge of rust-lang#113741 - compiler-errors:rpitit-projects-to-missing-opaque, r=spastorino

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• Rollup merge of rust-lang#114268 - SUPERCILEX:empty, r=workingjubilee

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