1 files changed, 31 insertions, 0 deletions
diff --git a/tests/ui/lifetimes/issue-79187.stderr b/tests/ui/lifetimes/issue-79187.stderr
new file mode 100644
index 000000000..ee6e7b89d
--- /dev/null
+++ b/tests/ui/lifetimes/issue-79187.stderr
@@ -0,0 +1,31 @@
+error[E0308]: mismatched types
+  --> $DIR/issue-79187.rs:5:5
+   |
+LL |     thing(f);
+   |     ^^^^^^^^ one type is more general than the other
+   |
+   = note: expected trait `for<'a> FnOnce<(&'a u32,)>`
+              found trait `FnOnce<(&u32,)>`
+note: this closure does not fulfill the lifetime requirements
+  --> $DIR/issue-79187.rs:4:13
+   |
+LL |     let f = |_| ();
+   |             ^^^
+note: the lifetime requirement is introduced here
+  --> $DIR/issue-79187.rs:1:18
+   |
+LL | fn thing(x: impl FnOnce(&u32)) {}
+   |                  ^^^^^^^^^^^^
+
+error: implementation of `FnOnce` is not general enough
+  --> $DIR/issue-79187.rs:5:5
+   |
+LL |     thing(f);
+   |     ^^^^^^^^ implementation of `FnOnce` is not general enough
+   |
+   = note: closure with signature `fn(&'2 u32)` must implement `FnOnce<(&'1 u32,)>`, for any lifetime `'1`...
+   = note: ...but it actually implements `FnOnce<(&'2 u32,)>`, for some specific lifetime `'2`
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0308`.