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interpret: make overflowing binops just normal binops

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This commit is contained in:
Ralf Jung 2024-05-21 12:17:34 +02:00
parent 9cb6bb8599
commit c0b4b454c3
40 changed files with 323 additions and 349 deletions
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16
compiler/rustc_const_eval/src/errors.rs
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@ -1,5 +1,6 @@
use std::borrow::Cow;
use either::Either;
use rustc_errors::{
codes::*, Diag, DiagArgValue, DiagCtxt, DiagMessage, Diagnostic, EmissionGuarantee, Level,
};
@ -481,6 +482,8 @@ impl<'a> ReportErrorExt for UndefinedBehaviorInfo<'a> {
DivisionOverflow => const_eval_division_overflow,
RemainderOverflow => const_eval_remainder_overflow,
PointerArithOverflow => const_eval_pointer_arithmetic_overflow,
ArithOverflow { .. } => const_eval_overflow_arith,
ShiftOverflow { .. } => const_eval_overflow_shift,
InvalidMeta(InvalidMetaKind::SliceTooBig) => const_eval_invalid_meta_slice,
InvalidMeta(InvalidMetaKind::TooBig) => const_eval_invalid_meta,
UnterminatedCString(_) => const_eval_unterminated_c_string,
@ -539,6 +542,19 @@ impl<'a> ReportErrorExt for UndefinedBehaviorInfo<'a> {
| UninhabitedEnumVariantWritten(_)
| UninhabitedEnumVariantRead(_) => {}
ArithOverflow { intrinsic } => {
diag.arg("intrinsic", intrinsic);
}
ShiftOverflow { intrinsic, shift_amount } => {
diag.arg("intrinsic", intrinsic);
diag.arg(
"shift_amount",
match shift_amount {
Either::Left(v) => v.to_string(),
Either::Right(v) => v.to_string(),
},
);
}
BoundsCheckFailed { len, index } => {
diag.arg("len", len);
diag.arg("index", index);