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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 02:49:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 02:49:50 +0000 |
commit | 9835e2ae736235810b4ea1c162ca5e65c547e770 (patch) | |
tree | 3fcebf40ed70e581d776a8a4c65923e8ec20e026 /compiler/rustc_borrowck/src/def_use.rs | |
parent | Releasing progress-linux version 1.70.0+dfsg2-1~progress7.99u1. (diff) | |
download | rustc-9835e2ae736235810b4ea1c162ca5e65c547e770.tar.xz rustc-9835e2ae736235810b4ea1c162ca5e65c547e770.zip |
Merging upstream version 1.71.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'compiler/rustc_borrowck/src/def_use.rs')
-rw-r--r-- | compiler/rustc_borrowck/src/def_use.rs | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/compiler/rustc_borrowck/src/def_use.rs b/compiler/rustc_borrowck/src/def_use.rs index 6deb4e361..b719a610e 100644 --- a/compiler/rustc_borrowck/src/def_use.rs +++ b/compiler/rustc_borrowck/src/def_use.rs @@ -51,12 +51,16 @@ pub fn categorize(context: PlaceContext) -> Option<DefUse> { PlaceContext::NonMutatingUse(NonMutatingUseContext::SharedBorrow) | PlaceContext::NonMutatingUse(NonMutatingUseContext::ShallowBorrow) | + // `PlaceMention` and `AscribeUserType` both evaluate the place, which must not + // contain dangling references. + PlaceContext::NonMutatingUse(NonMutatingUseContext::PlaceMention) | + PlaceContext::NonUse(NonUseContext::AscribeUserTy(_)) | + PlaceContext::MutatingUse(MutatingUseContext::AddressOf) | PlaceContext::NonMutatingUse(NonMutatingUseContext::AddressOf) | PlaceContext::NonMutatingUse(NonMutatingUseContext::Inspect) | PlaceContext::NonMutatingUse(NonMutatingUseContext::Copy) | PlaceContext::NonMutatingUse(NonMutatingUseContext::Move) | - PlaceContext::NonUse(NonUseContext::AscribeUserTy) | PlaceContext::MutatingUse(MutatingUseContext::Retag) => Some(DefUse::Use), @@ -71,8 +75,6 @@ pub fn categorize(context: PlaceContext) -> Option<DefUse> { PlaceContext::MutatingUse(MutatingUseContext::Drop) => Some(DefUse::Drop), - // This statement exists to help unsafeck. It does not require the place to be live. - PlaceContext::NonUse(NonUseContext::PlaceMention) => None, // Debug info is neither def nor use. PlaceContext::NonUse(NonUseContext::VarDebugInfo) => None, |