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Rollup merge of #99011 - oli-obk:UnsoundCell, r=eddyb

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`UnsafeCell` blocks niches inside its nested type from being available outside

fixes #87341

This implements the plan by `@eddyb` in https://github.com/rust-lang/rust/issues/87341#issuecomment-886083646

Somewhat related PR (not strictly necessary, but that cleanup made this PR simpler): #94527
This commit is contained in:
Dylan DPC
2022-07-13 19:32:34 +05:30
committed by GitHub
parent 0083cd2fd4 519c07b3ce
commit 1e7d04b23b
22 changed files with 139 additions and 513 deletions
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library/core/src/lib.rs
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@@ -191,7 +191,6 @@
#![feature(never_type)]
#![feature(no_core)]
#![feature(no_coverage)] // rust-lang/rust#84605
#![feature(no_niche)] // rust-lang/rust#68303
#![feature(platform_intrinsics)]
#![feature(prelude_import)]
#![feature(repr_simd)]