Mirrors/rust
1
0
Fork 0
mirror of https://github.com/rust-lang/rust.git synced 2026-05-04 09:53:04 +03:00
Code Issues Packages Projects Releases Wiki Activity

review comment

Browse Source
This commit is contained in:
Esteban Küber
2020-11-18 09:03:51 -08:00
parent 352796402f
commit c12e77badd
1 changed files with 1 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
+1 -3
View File
@@ -2070,7 +2070,6 @@ fn note_obligation_cause_code<T>(
let mut parent_predicate = parent_trait_ref.without_const().to_predicate(tcx);
let mut data = data;
let mut redundant = false;
let mut count = 0;
seen_requirements.insert(parent_def_id);
while let ObligationCauseCode::ImplDerivedObligation(child) = &*data.parent_code {
@@ -2081,12 +2080,11 @@ fn note_obligation_cause_code<T>(
break;
}
count += 1;
redundant = true;
data = child;
parent_predicate = child_trait_ref.without_const().to_predicate(tcx);
parent_trait_ref = child_trait_ref;
}
if redundant {
if count > 0 {
err.note(&format!("{} redundant requirements hidden", count));
err.note(&format!(
"required because of the requirements on the impl of `{}` for `{}`",