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Use is_diagnostic_item instead of get_diagnostic_item.

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This commit is contained in:
Mara Bos 2021-08-12 19:21:46 +02:00
parent 5ad41069e6
commit 8fedb31649
1 changed files with 3 additions and 3 deletions
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6
compiler/rustc_lint/src/non_fmt_panic.rs
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@ -124,10 +124,10 @@ fn check_panic<'tcx>(cx: &LateContext<'tcx>, f: &'tcx hir::Expr<'tcx>, arg: &'tc
// If this is a &str or String, we can confidently give the `"{}", ` suggestion.
let is_str = matches!(
ty.kind(),
ty::Ref(_, r, _) if *r.kind() == ty::Str
ty::Ref(_, r, _) if *r.kind() == ty::Str,
) || matches!(
(ty.ty_adt_def(), cx.tcx.get_diagnostic_item(sym::string_type)),
(Some(ty_def), Some(string_type)) if ty_def.did == string_type
ty.ty_adt_def(),
Some(ty_def) if cx.tcx.is_diagnostic_item(sym::string_type, ty_def.did),
);
l.span_suggestion_verbose(
arg_span.shrink_to_lo(),