Rollup merge of #65307 - Phosphorus15:master, r=varkor

Try fix incorrect "explicit lifetime name needed"

This pr is trying to fixes #65285 .

2 files changed, 35 insertions, 0 deletions

diff --git a/src/test/ui/generics/issue-65285-incorrect-explicit-lifetime-name-needed.rs b/src/test/ui/generics/issue-65285-incorrect-explicit-lifetime-name-needed.rs
new file mode 100644
index 00000000000..54b483f53d4
--- /dev/null
+++ b/src/test/ui/generics/issue-65285-incorrect-explicit-lifetime-name-needed.rs
@@ -0,0 +1,14 @@
+#![crate_type="lib"]
+
+struct Nested<K>(K);
+
+fn should_error<T>() where T : Into<&u32> {}
+//~^ ERROR `&` without an explicit lifetime name cannot be used here [E0637]
+
+trait X<'a, K: 'a> {
+    fn foo<'b, L: X<&'b Nested<K>>>();
+    //~^ ERROR missing lifetime specifier [E0106]
+}
+
+fn bar<'b, L: X<&'b Nested<i32>>>(){}
+//~^ ERROR missing lifetime specifier [E0106]
diff --git a/src/test/ui/generics/issue-65285-incorrect-explicit-lifetime-name-needed.stderr b/src/test/ui/generics/issue-65285-incorrect-explicit-lifetime-name-needed.stderr
new file mode 100644
index 00000000000..8720288b53e
--- /dev/null
+++ b/src/test/ui/generics/issue-65285-incorrect-explicit-lifetime-name-needed.stderr
@@ -0,0 +1,21 @@
+error[E0637]: `&` without an explicit lifetime name cannot be used here
+  --> $DIR/issue-65285-incorrect-explicit-lifetime-name-needed.rs:5:37
+   |
+LL | fn should_error<T>() where T : Into<&u32> {}
+   |                                     ^ explicit lifetime name needed here
+
+error[E0106]: missing lifetime specifier
+  --> $DIR/issue-65285-incorrect-explicit-lifetime-name-needed.rs:9:19
+   |
+LL |     fn foo<'b, L: X<&'b Nested<K>>>();
+   |                   ^^^^^^^^^^^^^^^^ expected lifetime parameter
+
+error[E0106]: missing lifetime specifier
+  --> $DIR/issue-65285-incorrect-explicit-lifetime-name-needed.rs:13:15
+   |
+LL | fn bar<'b, L: X<&'b Nested<i32>>>(){}
+   |               ^^^^^^^^^^^^^^^^^^ expected lifetime parameter
+
+error: aborting due to 3 previous errors
+
+For more information about this error, try `rustc --explain E0106`.