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Make 'overlapping_inherent_impls' lint a hard error

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This commit is contained in:
topecongiro 2017-04-04 10:43:16 +09:00
parent 5309a3e31d
commit 018c5c9298
1 changed files with 10 additions and 7 deletions
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17
src/librustc_typeck/coherence/inherent_impls_overlap.rs
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@ -11,7 +11,6 @@
use rustc::hir::def_id::{CrateNum, DefId, LOCAL_CRATE};
use rustc::hir;
use rustc::hir::itemlikevisit::ItemLikeVisitor;
use rustc::lint;
use rustc::traits::{self, Reveal};
use rustc::ty::{self, TyCtxt};
@ -53,12 +52,16 @@ impl<'a, 'tcx> InherentOverlapChecker<'a, 'tcx> {
for &item2 in &impl_items2[..] {
if (name, namespace) == name_and_namespace(item2) {
let msg = format!("duplicate definitions with name `{}`", name);
let node_id = self.tcx.hir.as_local_node_id(item1).unwrap();
self.tcx.sess.add_lint(lint::builtin::OVERLAPPING_INHERENT_IMPLS,
node_id,
self.tcx.span_of_impl(item1).unwrap(),
msg);
struct_span_err!(self.tcx.sess,
self.tcx.span_of_impl(item1).unwrap(),
E0592,
"duplicate definitions with name `{}`",
name)
.span_label(self.tcx.span_of_impl(item1).unwrap(),
&format!("duplicate definitions for `{}`", name))
.span_label(self.tcx.span_of_impl(item2).unwrap(),
&format!("other definition for `{}`", name))
.emit();
}
}
}