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Reject CVarArgs in parse_ty_for_where_clause

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This commit is contained in:
León Orell Valerian Liehr 2024-06-01 18:39:03 +02:00
parent 0a59f11362
commit 89386092f1
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4 changed files with 26 additions and 4 deletions
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5
compiler/rustc_parse/src/parser/ty.rs
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@ -194,7 +194,7 @@ impl<'a> Parser<'a> {
pub(super) fn parse_ty_for_where_clause(&mut self) -> PResult<'a, P<Ty>> {
self.parse_ty_common(
AllowPlus::Yes,
AllowCVariadic::Yes,
AllowCVariadic::No,
RecoverQPath::Yes,
RecoverReturnSign::OnlyFatArrow,
None,
@ -344,8 +344,9 @@ impl<'a> Parser<'a> {
match allow_c_variadic {
AllowCVariadic::Yes => TyKind::CVarArgs,
AllowCVariadic::No => {
// FIXME(Centril): Should we just allow `...` syntactically
// FIXME(c_variadic): Should we just allow `...` syntactically
// anywhere in a type and use semantic restrictions instead?
// NOTE: This may regress certain MBE calls if done incorrectly.
let guar = self
.dcx()
.emit_err(NestedCVariadicType { span: lo.to(self.prev_token.span) });