From 3b705eae4fe9f16efd8193fc5dc822fc9e66e5da Mon Sep 17 00:00:00 2001
From: xizheyin <xizheyin@smail.nju.edu.cn>
Date: Mon, 9 Feb 2026 14:24:59 +0800
Subject: [PATCH] Add ui test insufficient-suggestion-issue-141679.rs

---
 .../insufficient-suggestion-issue-141679.rs           |  8 ++++++++
 .../insufficient-suggestion-issue-141679.stderr       | 11 +++++++++++
 2 files changed, 19 insertions(+)
 create mode 100644 tests/ui/incoherent-inherent-impls/insufficient-suggestion-issue-141679.rs
 create mode 100644 tests/ui/incoherent-inherent-impls/insufficient-suggestion-issue-141679.stderr

diff --git a/tests/ui/incoherent-inherent-impls/insufficient-suggestion-issue-141679.rs b/tests/ui/incoherent-inherent-impls/insufficient-suggestion-issue-141679.rs
new file mode 100644
index 000000000000..daf8693b5264
--- /dev/null
+++ b/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(){}
\ No newline at end of file
diff --git a/tests/ui/incoherent-inherent-impls/insufficient-suggestion-issue-141679.stderr b/tests/ui/incoherent-inherent-impls/insufficient-suggestion-issue-141679.stderr
new file mode 100644
index 000000000000..cbb94ea4d367
--- /dev/null
+++ b/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`.