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[crater only] Syntactically reject equality predicates #153513

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[crater only] Syntactically reject equality predicates #153513

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1 change: 1 addition & 0 deletions compiler/rustc_parse/src/parser/generics.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -595,6 +595,7 @@ impl<'a> Parser<'a> {
// FIXME: We are just dropping the binders in lifetime_defs on the floor here.
} else if self.eat(exp!(Eq)) || self.eat(exp!(EqEq)) {
let rhs_ty = self.parse_ty()?;
self.dcx().span_err(ty.span.to(rhs_ty.span), "[[[ equality predicate ]]]");
Ok(ast::WherePredicateKind::EqPredicate(ast::WhereEqPredicate { lhs_ty: ty, rhs_ty }))
} else {
self.maybe_recover_bounds_doubled_colon(&ty)?;
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