diff --git a/compiler/rustc_hir_typeck/src/callee.rs b/compiler/rustc_hir_typeck/src/callee.rs index 7a5191b77f1..4ec71a78a00 100644 --- a/compiler/rustc_hir_typeck/src/callee.rs +++ b/compiler/rustc_hir_typeck/src/callee.rs @@ -4,7 +4,7 @@ use crate::type_error_struct; use rustc_ast::util::parser::PREC_POSTFIX; -use rustc_errors::{struct_span_err, Applicability, Diagnostic, StashKey}; +use rustc_errors::{struct_span_err, Applicability, Diagnostic, ErrorGuaranteed, StashKey}; use rustc_hir as hir; use rustc_hir::def::{self, CtorKind, Namespace, Res}; use rustc_hir::def_id::DefId; @@ -424,21 +424,9 @@ fn confirm_builtin_call( } } - self.report_invalid_callee(call_expr, callee_expr, callee_ty, arg_exprs); + let err = self.report_invalid_callee(call_expr, callee_expr, callee_ty, arg_exprs); - // This is the "default" function signature, used in case of error. - // In that case, we check each argument against "error" in order to - // set up all the node type bindings. - ( - ty::Binder::dummy(self.tcx.mk_fn_sig( - self.err_args(arg_exprs.len()).into_iter(), - self.tcx.ty_error(), - false, - hir::Unsafety::Normal, - abi::Abi::Rust, - )), - None, - ) + return self.tcx.ty_error_with_guaranteed(err); } }; @@ -591,7 +579,7 @@ fn report_invalid_callee( callee_expr: &'tcx hir::Expr<'tcx>, callee_ty: Ty<'tcx>, arg_exprs: &'tcx [hir::Expr<'tcx>], - ) { + ) -> ErrorGuaranteed { let mut unit_variant = None; if let hir::ExprKind::Path(qpath) = &callee_expr.kind && let Res::Def(def::DefKind::Ctor(kind, CtorKind::Const), _) @@ -720,7 +708,7 @@ fn report_invalid_callee( err.span_label(span, label); } } - err.emit(); + err.emit() } fn confirm_deferred_closure_call( diff --git a/compiler/rustc_middle/src/ty/subst.rs b/compiler/rustc_middle/src/ty/subst.rs index a04b15f8cf1..2071d010272 100644 --- a/compiler/rustc_middle/src/ty/subst.rs +++ b/compiler/rustc_middle/src/ty/subst.rs @@ -400,6 +400,7 @@ pub fn non_erasable_generics( } #[inline] + #[track_caller] pub fn type_at(&self, i: usize) -> Ty<'tcx> { if let GenericArgKind::Type(ty) = self[i].unpack() { ty @@ -409,6 +410,7 @@ pub fn type_at(&self, i: usize) -> Ty<'tcx> { } #[inline] + #[track_caller] pub fn region_at(&self, i: usize) -> ty::Region<'tcx> { if let GenericArgKind::Lifetime(lt) = self[i].unpack() { lt @@ -418,6 +420,7 @@ pub fn region_at(&self, i: usize) -> ty::Region<'tcx> { } #[inline] + #[track_caller] pub fn const_at(&self, i: usize) -> ty::Const<'tcx> { if let GenericArgKind::Const(ct) = self[i].unpack() { ct @@ -427,6 +430,7 @@ pub fn const_at(&self, i: usize) -> ty::Const<'tcx> { } #[inline] + #[track_caller] pub fn type_for_def(&self, def: &ty::GenericParamDef) -> GenericArg<'tcx> { self.type_at(def.index as usize).into() }