Add ui test insufficient-suggestion-issue-141679.rs

Signed-off-by: xizheyin <[email protected]>

Author: xizheyin

tests/ui/incoherent-inherent-impls/insufficient-suggestion-issue-141679.rs

@@ -0,0 +1,8 @@
+use std::rc::Rc;
+pub struct Foo;
+
+pub type Function = Rc<Foo>;
+
+impl Function {}
+//~^ ERROR cannot define inherent `impl` for a type outside of the crate where the type is defined [E0116]
+fn main(){}

tests/ui/incoherent-inherent-impls/insufficient-suggestion-issue-141679.stderr

@@ -0,0 +1,11 @@
+error[E0116]: cannot define inherent `impl` for a type outside of the crate where the type is defined
+  --> $DIR/insufficient-suggestion-issue-141679.rs:6:1
+   |
+LL | impl Function {}
+   | ^^^^^^^^^^^^^ impl for type defined outside of crate
+   |
+   = note: define and implement a trait or new type instead
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0116`.