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Rollup of 5 pull requests#71717

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bors merged 14 commits intorust-lang:masterrust-lang/rust:masterfrom Dylan-DPC-zz:rollup-av5vjorDylan-DPC-zz/rust:rollup-av5vjorCopy head branch name to clipboardApr 30, 2020

+485-296

Commits

Commits on Apr 16, 2020

• enforce that R1: R2 requires univ(R1) <= univ(R2)

  nikomatsakis

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  771fdd9

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• reserve variable for empty root region

  nikomatsakis

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  b8caef4

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• compute SCCs in dependency order

  nikomatsakis

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  0749721

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Commits on Apr 21, 2020

• update ref test

  nikomatsakis

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  c7526fe

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• sccs are computed in dependency order

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  nikomatsakis

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  cb9458d

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Commits on Apr 22, 2020

• Add help message for missing right operand in condition

  antoyo

  committed
  f8f0f7b

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• Move {Free,}RegionRelations and FreeRegionMap out of rustc_middle

  ecstatic-morse

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  46154f2

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Commits on Apr 25, 2020

• Detect git version before attempting to use --progress

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  dillona

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  7ac093f

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Commits on Apr 30, 2020

• rename-unique: Rename Unique::empty() to Unique::dangling()

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  CohenArthur

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  eda7f8f

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• Rollup merge of rust-lang#70950 - nikomatsakis:leak-check-nll-2, r=matthewjasper

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  Dylan-DPC

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  09f3c90

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• Rollup merge of rust-lang#71433 - antoyo:error/missing-right-operand, r=Dylan-DPC

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  Dylan-DPC

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  be3faf3

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• Rollup merge of rust-lang#71449 - ecstatic-morse:free-region-cleanup, r=Mark-Simulacrum

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  Dylan-DPC

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  5e53f80

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• Rollup merge of rust-lang#71559 - dillona:detect_git_progress_version, r=Mark-Simulacrum

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  Dylan-DPC

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  2770f82

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• Rollup merge of rust-lang#71597 - CohenArthur:refactor-unique-empty, r=shepmaster

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  Dylan-DPC

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  97a8870

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