Auto merge of rust-lang#97283 - jackh726:rollup-ga84p7n, r=jackh726

Rollup of 5 pull requests

Successful merges:

 - rust-lang#97043 (Move some tests to more reasonable directories)
 - rust-lang#97206 (Do leak check after function pointer coercion)
 - rust-lang#97275 (small change)
 - rust-lang#97277 (Avoid accidentally enabling unstable features in compilers (take 2))
 - rust-lang#97280 (Quote replace target in bootstrap configure)

Failed merges:

 - rust-lang#97214 (Finish bumping stage0)

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors

compiler/rustc_infer/src/infer/error_reporting/mod.rs

@@ -1442,6 +1442,10 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
     /// the message in `secondary_span` as the primary label, and apply the message that would
     /// otherwise be used for the primary label on the `secondary_span` `Span`. This applies on
     /// E0271, like `src/test/ui/issues/issue-39970.stderr`.
+    #[tracing::instrument(
+        level = "debug",
+        skip(self, diag, secondary_span, swap_secondary_and_primary, force_label)
+    )]
     pub fn note_type_err(
         &self,
         diag: &mut Diagnostic,
@@ -1453,7 +1457,6 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
         force_label: bool,
     ) {
         let span = cause.span(self.tcx);
-        debug!("note_type_err cause={:?} values={:?}, terr={:?}", cause, values, terr);
 
         // For some types of errors, expected-found does not make
         // sense, so just ignore the values we were given.
@@ -1621,9 +1624,9 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
             }
         };
 
-        // Ignore msg for object safe coercion
-        // since E0038 message will be printed
         match terr {
+            // Ignore msg for object safe coercion
+            // since E0038 message will be printed
             TypeError::ObjectUnsafeCoercion(_) => {}
             _ => {
                 let mut label_or_note = |span: Span, msg: &str| {
@@ -1774,6 +1777,8 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
         // It reads better to have the error origin as the final
         // thing.
         self.note_error_origin(diag, cause, exp_found, terr);
+
+        debug!(?diag);
     }
 
     fn suggest_tuple_pattern(

compiler/rustc_middle/src/ty/error.rs

@@ -135,11 +135,10 @@ impl<'tcx> fmt::Display for TypeError<'tcx> {
             ArgCount => write!(f, "incorrect number of function parameters"),
             FieldMisMatch(adt, field) => write!(f, "field type mismatch: {}.{}", adt, field),
             RegionsDoesNotOutlive(..) => write!(f, "lifetime mismatch"),
-            RegionsInsufficientlyPolymorphic(br, _) => write!(
-                f,
-                "expected bound lifetime parameter{}, found concrete lifetime",
-                br_string(br)
-            ),
+            // Actually naming the region here is a bit confusing because context is lacking
+            RegionsInsufficientlyPolymorphic(..) => {
+                write!(f, "one type is more general than the other")
+            }
             RegionsOverlyPolymorphic(br, _) => write!(
                 f,
                 "expected concrete lifetime, found bound lifetime parameter{}",