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Rollup merge of #105201 - cjgillot:issue-105040, r=compiler-errors

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Do not call fn_sig on non-functions.

Fixes https://github.com/rust-lang/rust/issues/105040
Fixes https://github.com/rust-lang/rust/issues/89271
This commit is contained in:
Matthias Krüger 2022-12-03 17:37:45 +01:00 • committed by GitHub
commit f91fa512d1
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8
compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs
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@ -1918,6 +1918,14 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
receiver: Option<&'tcx hir::Expr<'tcx>>,
args: &'tcx [hir::Expr<'tcx>],
) -> bool {
// Do not call `fn_sig` on non-functions.
if !matches!(
self.tcx.def_kind(def_id),
DefKind::Fn | DefKind::AssocFn | DefKind::Variant | DefKind::Ctor(..)
) {
return false;
}
let sig = self.tcx.fn_sig(def_id).skip_binder();
let args_referencing_param: Vec<_> = sig
.inputs()