review + fix CI

Author: lcnr

compiler/rustc_infer/src/infer/free_regions.rs

@@ -87,8 +87,8 @@ impl<'tcx> FreeRegionMap<'tcx> {
         r_b: Region<'tcx>,
     ) -> Region<'tcx> {
         debug!("lub_param_regions(r_a={:?}, r_b={:?})", r_a, r_b);
-        assert!(r_a.is_late_or_early_param());
-        assert!(r_b.is_late_or_early_param());
+        assert!(r_a.is_param());
+        assert!(r_b.is_param());
         let result = if r_a == r_b {
             r_a
         } else {

compiler/rustc_middle/src/ty/sty.rs

@@ -1858,7 +1858,7 @@ impl<'tcx> Region<'tcx> {
     }
 
     /// True for free regions other than `'static`.
-    pub fn is_late_or_early_param(self) -> bool {
+    pub fn is_param(self) -> bool {
         matches!(*self, ty::ReEarlyParam(_) | ty::ReLateParam(_))
     }
 

tests/ui/nll/ty-outlives/impl-trait-captures.stderr

@@ -11,7 +11,7 @@ LL |     x
 help: to declare that `Opaque(DefId(0:13 ~ impl_trait_captures[aeb9]::foo::{opaque#0}), [ReEarlyParam(DefId(0:9 ~ impl_trait_captures[aeb9]::foo::'a), 0, 'a), T, ReEarlyParam(DefId(0:14 ~ impl_trait_captures[aeb9]::foo::{opaque#0}::'a), 2, 'a)])` captures `ReLateParam(DefId(0:8 ~ impl_trait_captures[aeb9]::foo), BrNamed(DefId(0:12 ~ impl_trait_captures[aeb9]::foo::'_), '_))`, you can add an explicit `ReLateParam(DefId(0:8 ~ impl_trait_captures[aeb9]::foo), BrNamed(DefId(0:12 ~ impl_trait_captures[aeb9]::foo::'_), '_))` lifetime bound
    |
 LL | fn foo<'a, T>(x: &T) -> impl Foo<'a> + ReLateParam(DefId(0:8 ~ impl_trait_captures[aeb9]::foo), BrNamed(DefId(0:12 ~ impl_trait_captures[aeb9]::foo::'_), '_)) {
-   |                                      ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+   |                                      +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
 error: aborting due to previous error