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authorbors <bors@rust-lang.org>2020-10-22 07:05:21 +0000
committerbors <bors@rust-lang.org>2020-10-22 07:05:21 +0000
commit6b9fbf212a06944ff23325d2d63215805dc3c6c3 (patch)
tree947188ed2c56a5ff5a396a47039824121ae5c285 /compiler/rustc_llvm/llvm-wrapper/CoverageMappingWrapper.cpp
parent8f0fa9d51ff4ad2c0869e660856cd327e79915e9 (diff)
parent9b453d695481f8898bf29eef25f3027c769e1a99 (diff)
downloadrust-6b9fbf212a06944ff23325d2d63215805dc3c6c3.tar.gz
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Auto merge of #78134 - bugadani:arena-nodrop, r=lcnr
Use `DroplessArena` where we know the type doesn't need drop

This PR uses a single `DroplessArena` in resolve instead of three separate `TypedArena`s.

`DroplessArena` checks that the type indeed doesn't need drop, so in case the types change, this will result in visible failures.
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