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Reduce special treatment for zsts#67501

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bors merged 13 commits intorust-lang:masterrust-lang/rust:masterfrom oli-obk:test-slice-patternsoli-obk/rust:test-slice-patternsCopy head branch name to clipboardJan 10, 2020

+157-152

Commits

Commits on Jan 7, 2020

• Automatically prefer integer addresses for zst MPlace

  oli-obk

  committed
  cc0fbdf

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• Remove a ZST special casing that is not necessary anymore

  oli-obk

  committed
  5b770b0

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• Fix an ICE happening due code assuming that MPlaceTy cannot have integer addresses

  oli-obk

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  4a5c35b

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• Move to_const_value from MPlaceTy to its only use site

  oli-obk

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  cac6f4c

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• Poison any MemPlace created from a zst Operand (or otherwise via MPlaceTy::dangling) so you can't get the address back out.

  oli-obk

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  4fbe434

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• Ensure we don't accidentally turn non-zsts into zsts

  oli-obk

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  23b0c47

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• Remove a bunch of dead functions and make some functions private

  oli-obk

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• Add warning label to try_as_mplace

  oli-obk

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  f7f5952

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• Add more documentation

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  29c372b

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• Actually use the poison value

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Commits on Jan 9, 2020

• Update src/librustc_mir/interpret/place.rs

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  oli-obk

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  RalfJung

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  e632940

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• Rename Unsized to Meta

  oli-obk

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  a4fa5bb

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• Switch assertion order to be more helpful to ppl that encounter them

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