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Remove error about obsolete dereferencing of newtype structs. #25523

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Merged
merged 1 commit into from
May 17, 2015
Merged

Remove error about obsolete dereferencing of newtype structs. #25523

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24 changes: 4 additions & 20 deletions src/librustc_typeck/check/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3153,26 +3153,10 @@ fn check_expr_with_unifier<'a, 'tcx, F>(fcx: &FnCtxt<'a, 'tcx>,
Some(&**oprnd), oprnd_t, lvalue_pref) {
Some(mt) => mt.ty,
None => {
let is_newtype = match oprnd_t.sty {
ty::ty_struct(did, substs) => {
let fields = ty::struct_fields(fcx.tcx(), did, substs);
fields.len() == 1
&& fields[0].name ==
token::special_idents::unnamed_field.name
}
_ => false
};
if is_newtype {
// This is an obsolete struct deref
span_err!(tcx.sess, expr.span, E0068,
"single-field tuple-structs can \
no longer be dereferenced");
} else {
fcx.type_error_message(expr.span, |actual| {
format!("type `{}` cannot be \
dereferenced", actual)
}, oprnd_t, None);
}
fcx.type_error_message(expr.span, |actual| {
format!("type `{}` cannot be \
dereferenced", actual)
}, oprnd_t, None);
tcx.types.err
}
}
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