bjoernager/rust
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more precise error for 'based on misaligned pointer' case

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This commit is contained in:
Ralf Jung 2023-09-26 16:25:05 +02:00
parent cbf47a17d2
commit e24835c6e0
31 changed files with 112 additions and 91 deletions
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12
compiler/rustc_const_eval/src/errors.rs
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@ -390,15 +390,6 @@ pub struct LiveDrop<'tcx> {
pub dropped_at: Option<Span>,
}
#[derive(LintDiagnostic)]
#[diag(const_eval_align_check_failed)]
pub struct AlignmentCheckFailed {
pub has: u64,
pub required: u64,
#[subdiagnostic]
pub frames: Vec<FrameNote>,
}
#[derive(Diagnostic)]
#[diag(const_eval_error, code = "E0080")]
pub struct ConstEvalError {
@ -568,9 +559,10 @@ impl<'a> ReportErrorExt for UndefinedBehaviorInfo<'a> {
builder.set_arg("bad_pointer_message", bad_pointer_message(msg, handler));
}
AlignmentCheckFailed(Misalignment { required, has }) => {
AlignmentCheckFailed(Misalignment { required, has }, msg) => {
builder.set_arg("required", required.bytes());
builder.set_arg("has", has.bytes());
builder.set_arg("msg", format!("{msg:?}"));
}
WriteToReadOnly(alloc) | DerefFunctionPointer(alloc) | DerefVTablePointer(alloc) => {
builder.set_arg("allocation", alloc);