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authorMatthias Krüger <matthias.krueger@famsik.de>2021-11-28 10:42:38 +0100
committerGitHub <noreply@github.com>2021-11-28 10:42:38 +0100
commitaf0cf347875b696a1f01634e9a761bbccccd1de6 (patch)
treefe55be6c1bc0f9750f271b703106e5546deaa030 /compiler/rustc_mir_transform/src/coverage/graph.rs
parent27d5935df18d7035c9bd8dc5c1dfbbad6ac59793 (diff)
parent44b5b838d2a58fb683324e2336a6766d450b0626 (diff)
downloadrust-af0cf347875b696a1f01634e9a761bbccccd1de6.tar.gz
rust-af0cf347875b696a1f01634e9a761bbccccd1de6.zip
Rollup merge of #90896 - jhpratt:stabilize_const_maybe_uninit, r=oli-obk
Stabilize some `MaybeUninit` behavior as const

This stabilizes the `MaybeUninit::as_ptr`, `MaybeUninit::assume_init`, and `MaybeUninit::assume_init_ref` as `const fn`. `MaybeUninit::as_mut_ptr` has been moved to a new flag: `const_maybe_uninit_as_mut_ptr`, which is blocked on #57349. `MaybeUninit::slice_assume_init_ref` can be `const fn` when the method is stabilized in general.

The relevant intrinsic has been stabilized as `const` as well, though this isn't user-visible. Due to the seemingly unrelated feature name I performed `rg const_assert_type` and found no other instances of it being used.

r? `@oli-obk`

`@rustbot` label: +A-const-fn +S-waiting-on-review +T-libs-api
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