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ctfe interpreter: extend provenance so that it can track whether a pointer is immutable

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This commit is contained in:
Ralf Jung 2023-11-25 18:41:53 +01:00
parent 85a4bd8f58
commit cb86303342
38 changed files with 261 additions and 145 deletions
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10
compiler/rustc_middle/src/mir/interpret/error.rs
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@ -290,7 +290,7 @@ macro_rules! impl_into_diagnostic_arg_through_debug {
// These types have nice `Debug` output so we can just use them in diagnostics.
impl_into_diagnostic_arg_through_debug! {
AllocId,
Pointer,
Pointer<AllocId>,
AllocRange,
}
@ -323,7 +323,7 @@ pub enum UndefinedBehaviorInfo<'tcx> {
/// Invalid metadata in a wide pointer
InvalidMeta(InvalidMetaKind),
/// Reading a C string that does not end within its allocation.
UnterminatedCString(Pointer),
UnterminatedCString(Pointer<AllocId>),
/// Using a pointer after it got freed.
PointerUseAfterFree(AllocId, CheckInAllocMsg),
/// Used a pointer outside the bounds it is valid for.
@ -350,11 +350,11 @@ pub enum UndefinedBehaviorInfo<'tcx> {
/// Using a non-character `u32` as character.
InvalidChar(u32),
/// The tag of an enum does not encode an actual discriminant.
InvalidTag(Scalar),
InvalidTag(Scalar<AllocId>),
/// Using a pointer-not-to-a-function as function pointer.
InvalidFunctionPointer(Pointer),
InvalidFunctionPointer(Pointer<AllocId>),
/// Using a pointer-not-to-a-vtable as vtable pointer.
InvalidVTablePointer(Pointer),
InvalidVTablePointer(Pointer<AllocId>),
/// Using a string that is not valid UTF-8,
InvalidStr(std::str::Utf8Error),
/// Using uninitialized data where it is not allowed.