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interpret/write_discriminant: when encoding niched variant, ensure the stored value matches

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This commit is contained in:
Ralf Jung 2024-02-10 15:26:55 +01:00
parent 0809f78c19
commit 18ed966ab5
6 changed files with 71 additions and 0 deletions
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6
compiler/rustc_const_eval/src/errors.rs
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@ -509,6 +509,9 @@ impl<'a> ReportErrorExt for UndefinedBehaviorInfo<'a> {
ScalarSizeMismatch(_) => const_eval_scalar_size_mismatch,
UninhabitedEnumVariantWritten(_) => const_eval_uninhabited_enum_variant_written,
UninhabitedEnumVariantRead(_) => const_eval_uninhabited_enum_variant_read,
InvalidNichedEnumVariantWritten { .. } => {
const_eval_invalid_niched_enum_variant_written
}
AbiMismatchArgument { .. } => const_eval_incompatible_types,
AbiMismatchReturn { .. } => const_eval_incompatible_return_types,
}
@ -597,6 +600,9 @@ impl<'a> ReportErrorExt for UndefinedBehaviorInfo<'a> {
builder.arg("target_size", info.target_size);
builder.arg("data_size", info.data_size);
}
InvalidNichedEnumVariantWritten { enum_ty } => {
builder.arg("ty", enum_ty.to_string());
}
AbiMismatchArgument { caller_ty, callee_ty }
| AbiMismatchReturn { caller_ty, callee_ty } => {
builder.arg("caller_ty", caller_ty.to_string());