1 files changed, 47 insertions, 0 deletions
diff --git a/src/test/ui/lifetimes/missing-lifetime-in-alias.stderr b/src/test/ui/lifetimes/missing-lifetime-in-alias.stderr
new file mode 100644
index 000000000..b8c68a460
--- /dev/null
+++ b/src/test/ui/lifetimes/missing-lifetime-in-alias.stderr
@@ -0,0 +1,47 @@
+error[E0106]: missing lifetime specifier
+  --> $DIR/missing-lifetime-in-alias.rs:22:24
+   |
+LL | type B<'a> = <A<'a> as Trait>::Foo;
+   |                        ^^^^^ expected named lifetime parameter
+   |
+help: consider using the `'a` lifetime
+   |
+LL | type B<'a> = <A<'a> as Trait<'a>>::Foo;
+   |                             ++++
+
+error[E0106]: missing lifetime specifier
+  --> $DIR/missing-lifetime-in-alias.rs:26:28
+   |
+LL | type C<'a, 'b> = <A<'a> as Trait>::Bar;
+   |                            ^^^^^ expected named lifetime parameter
+   |
+note: these named lifetimes are available to use
+  --> $DIR/missing-lifetime-in-alias.rs:26:8
+   |
+LL | type C<'a, 'b> = <A<'a> as Trait>::Bar;
+   |        ^^  ^^
+help: consider using one of the available lifetimes here
+   |
+LL | type C<'a, 'b> = <A<'a> as Trait<'lifetime>>::Bar;
+   |                                 +++++++++++
+
+error[E0107]: missing generics for associated type `Trait::Bar`
+  --> $DIR/missing-lifetime-in-alias.rs:26:36
+   |
+LL | type C<'a, 'b> = <A<'a> as Trait>::Bar;
+   |                                    ^^^ expected 1 lifetime argument
+   |
+note: associated type defined here, with 1 lifetime parameter: `'b`
+  --> $DIR/missing-lifetime-in-alias.rs:6:10
+   |
+LL |     type Bar<'b>
+   |          ^^^ --
+help: add missing lifetime argument
+   |
+LL | type C<'a, 'b> = <A<'a> as Trait>::Bar<'a>;
+   |                                    ~~~~~~~
+
+error: aborting due to 3 previous errors
+
+Some errors have detailed explanations: E0106, E0107.
+For more information about an error, try `rustc --explain E0106`.