Update compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs

Co-authored-by: Esteban Kuber <[email protected]>

Author: chenyukang

Diff for: compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs

@@ -789,7 +789,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
                     }
                 }
                 ExprKind::Path(..) | ExprKind::Lit(_) if parent_is_closure => {
-                    err.span_suggestion(
+                    err.span_suggestion_verbose(
                         expression.span.shrink_to_lo(),
                         "consider ignoring the value",
                         "_ = ",

Diff for: tests/ui/typeck/closure-ty-mismatch-issue-128561.stderr

@@ -2,10 +2,12 @@ error[E0308]: mismatched types
   --> $DIR/closure-ty-mismatch-issue-128561.rs:2:32
    |
 LL |     b"abc".iter().for_each(|x| x);
-   |                                ^
-   |                                |
-   |                                expected `()`, found `&u8`
-   |                                help: consider ignore the value here: `_ =`
+   |                                ^ expected `()`, found `&u8`
+   |
+help: consider ignoring the value
+   |
+LL |     b"abc".iter().for_each(|x| _ = x);
+   |                                +++
 
 error[E0308]: mismatched types
   --> $DIR/closure-ty-mismatch-issue-128561.rs:4:32