diff options
| -rw-r--r-- | src/librustc_typeck/check/wfcheck.rs | 6 | ||||
| -rw-r--r-- | src/test/compile-fail/E0392.rs | 1 |
2 files changed, 5 insertions, 2 deletions
diff --git a/src/librustc_typeck/check/wfcheck.rs b/src/librustc_typeck/check/wfcheck.rs index 7ed4b2bcb19..bcad7dd3bd0 100644 --- a/src/librustc_typeck/check/wfcheck.rs +++ b/src/librustc_typeck/check/wfcheck.rs @@ -624,8 +624,10 @@ fn error_380(ccx: &CrateCtxt, span: Span) { fn error_392<'a, 'tcx>(ccx: &CrateCtxt<'a, 'tcx>, span: Span, param_name: ast::Name) -> DiagnosticBuilder<'tcx> { - struct_span_err!(ccx.tcx.sess, span, E0392, - "parameter `{}` is never used", param_name) + let mut err = struct_span_err!(ccx.tcx.sess, span, E0392, + "parameter `{}` is never used", param_name); + err.span_label(span, &format!("unused type parameter")); + err } fn error_194(tcx: TyCtxt, span: Span, name: ast::Name) { diff --git a/src/test/compile-fail/E0392.rs b/src/test/compile-fail/E0392.rs index 4c3efcf4e8d..a21e500e519 100644 --- a/src/test/compile-fail/E0392.rs +++ b/src/test/compile-fail/E0392.rs @@ -9,6 +9,7 @@ // except according to those terms. enum Foo<T> { Bar } //~ ERROR E0392 + //~| NOTE unused type parameter fn main() { } |