X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_hir_analysis%2Fsrc%2Fcheck%2Fop.rs;h=d876b1d20fe22c5674f7d8b1bba523c4e199618f;hb=8dea87d9f4928154a488dd0d8ccb78fe46bb3f57;hp=4754717c29aba777494a494f9822e8f7b9cfdad9;hpb=8d2faa2ae829db4a12799752f0968072c3d21904;p=rust.git

diff --git a/compiler/rustc_hir_analysis/src/check/op.rs b/compiler/rustc_hir_analysis/src/check/op.rs
index 4754717c29a..d876b1d20fe 100644
--- a/compiler/rustc_hir_analysis/src/check/op.rs
+++ b/compiler/rustc_hir_analysis/src/check/op.rs
@@ -13,6 +13,7 @@
 };
 use rustc_middle::ty::print::with_no_trimmed_paths;
 use rustc_middle::ty::{self, DefIdTree, Ty, TyCtxt, TypeFolder, TypeSuperFoldable, TypeVisitable};
+use rustc_session::errors::ExprParenthesesNeeded;
 use rustc_span::source_map::Spanned;
 use rustc_span::symbol::{sym, Ident};
 use rustc_span::Span;
@@ -470,7 +471,7 @@ fn check_overloaded_binop(
                         // This has nothing here because it means we did string
                         // concatenation (e.g., "Hello " + "World!"). This means
                         // we don't want the note in the else clause to be emitted
-                    } else if lhs_ty.has_param_types_or_consts() {
+                    } else if lhs_ty.has_non_region_param() {
                         // Look for a TraitPredicate in the Fulfillment errors,
                         // and use it to generate a suggestion.
                         //
@@ -656,7 +657,7 @@ pub fn check_user_unop(
                         format!("cannot apply unary operator `{}`", op.as_str()),
                     );
 
-                    if operand_ty.has_param_types_or_consts() {
+                    if operand_ty.has_non_region_param() {
                         let predicates = errors.iter().filter_map(|error| {
                             error.obligation.predicate.to_opt_poly_trait_pred()
                         });
@@ -677,7 +678,7 @@ pub fn check_user_unop(
                         // If the previous expression was a block expression, suggest parentheses
                         // (turning this into a binary subtraction operation instead.)
                         // for example, `{2} - 2` -> `({2}) - 2` (see src\test\ui\parser\expr-as-stmt.rs)
-                        self.tcx.sess.parse_sess.expr_parentheses_needed(&mut err, *sp);
+                        err.subdiagnostic(ExprParenthesesNeeded::surrounding(*sp));
                     } else {
                         match actual.kind() {
                             Uint(_) if op == hir::UnOp::Neg => {