diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/librustc_mir/interpret/intern.rs | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/librustc_mir/interpret/intern.rs b/src/librustc_mir/interpret/intern.rs index 6008834a573..0cafd7cbbc0 100644 --- a/src/librustc_mir/interpret/intern.rs +++ b/src/librustc_mir/interpret/intern.rs @@ -358,12 +358,12 @@ pub fn intern_const_alloc_recursive<M: CompileTimeMachine<'mir, 'tcx>>( alloc.mutability = Mutability::Not; } // Raw pointers in promoteds may only point to immutable things so we mark - // everything as immutable. Creating a promoted with interior mutability is UB, but - // there's no way we can check whether the user is using raw pointers correctly. - // So all we can do is mark this as immutable here. + // everything as immutable. // It is UB to mutate through a raw pointer obtained via an immutable reference. // Since all references and pointers inside a promoted must by their very definition // be created from an immutable reference, mutating though them would be UB. + // There's no way we can check whether the user is using raw pointers correctly, + // so all we can do is mark this as immutable here. InternKind::Promoted => { alloc.mutability = Mutability::Not; } @@ -394,7 +394,7 @@ pub fn intern_const_alloc_recursive<M: CompileTimeMachine<'mir, 'tcx>>( // We have hit an `AllocId` that belongs to an already interned static, // and are thus not interning any further. - // E.g. this should be unreachable for `InternKind::Promoted` except for allocations + // For `InternKind::Promoted` this is only reachable for allocations // created for string and byte string literals, since these are interned immediately // at creation time. |