rename ErrorReported -> ErrorGuaranteed

[rust.git] / compiler / rustc_middle / src / ty / instance.rs

diff --git a/compiler/rustc_middle/src/ty/instance.rs b/compiler/rustc_middle/src/ty/instance.rs
index 72cb793c7c822dd911b1c80e92133c1a70d15543..00b3639a99776d57aa119f1ccc01732cc348195e 100644 (file)
--- a/compiler/rustc_middle/src/ty/instance.rs
+++ b/compiler/rustc_middle/src/ty/instance.rs
@@ -2,7 +2,7 @@
 use crate::ty::print::{FmtPrinter, Printer};
 use crate::ty::subst::{InternalSubsts, Subst};
 use crate::ty::{self, SubstsRef, Ty, TyCtxt, TypeFoldable};
-use rustc_errors::ErrorReported;
+use rustc_errors::ErrorGuaranteed;
 use rustc_hir::def::Namespace;
 use rustc_hir::def_id::{CrateNum, DefId};
 use rustc_hir::lang_items::LangItem;
@@ -349,7 +349,7 @@ pub fn def_id(&self) -> DefId {
     /// in a monomorphic context (i.e., like during codegen), then it is guaranteed to return
     /// `Ok(Some(instance))`.
     ///
-    /// Returns `Err(ErrorReported)` when the `Instance` resolution process
+    /// Returns `Err(ErrorGuaranteed)` when the `Instance` resolution process
     /// couldn't complete due to errors elsewhere - this is distinct
     /// from `Ok(None)` to avoid misleading diagnostics when an error
     /// has already been/will be emitted, for the original cause
@@ -358,7 +358,7 @@ pub fn resolve(
         param_env: ty::ParamEnv<'tcx>,
         def_id: DefId,
         substs: SubstsRef<'tcx>,
-    ) -> Result<Option<Instance<'tcx>>, ErrorReported> {
+    ) -> Result<Option<Instance<'tcx>>, ErrorGuaranteed> {
         Instance::resolve_opt_const_arg(
             tcx,
             param_env,
@@ -374,7 +374,7 @@ pub fn resolve_opt_const_arg(
         param_env: ty::ParamEnv<'tcx>,
         def: ty::WithOptConstParam<DefId>,
         substs: SubstsRef<'tcx>,
-    ) -> Result<Option<Instance<'tcx>>, ErrorReported> {
+    ) -> Result<Option<Instance<'tcx>>, ErrorGuaranteed> {
         // All regions in the result of this query are erased, so it's
         // fine to erase all of the input regions.
 
@@ -629,7 +629,7 @@ fn polymorphize<'tcx>(
     } else {
         None
     };
-    let has_upvars = upvars_ty.map_or(false, |ty| ty.tuple_fields().count() > 0);
+    let has_upvars = upvars_ty.map_or(false, |ty| !ty.tuple_fields().is_empty());
     debug!("polymorphize: upvars_ty={:?} has_upvars={:?}", upvars_ty, has_upvars);
 
     struct PolymorphizationFolder<'tcx> {