From 8bbaeee6f982dfbfa72ad226ed3c19e29e65257b Mon Sep 17 00:00:00 2001
From: Michael Goulet <michael@errs.io>
Date: Tue, 16 Apr 2024 15:56:48 -0400
Subject: Don't proceed into parent bodies when collecting stmts for possible
 return suggestion

---
 .../dont-collect-stmts-from-parent-body.rs         | 15 ++++++++++++++
 .../dont-collect-stmts-from-parent-body.stderr     | 24 ++++++++++++++++++++++
 2 files changed, 39 insertions(+)
 create mode 100644 tests/ui/inference/dont-collect-stmts-from-parent-body.rs
 create mode 100644 tests/ui/inference/dont-collect-stmts-from-parent-body.stderr

(limited to 'tests/ui/inference')

diff --git a/tests/ui/inference/dont-collect-stmts-from-parent-body.rs b/tests/ui/inference/dont-collect-stmts-from-parent-body.rs
new file mode 100644
index 00000000000..635fe74b867
--- /dev/null
+++ b/tests/ui/inference/dont-collect-stmts-from-parent-body.rs
@@ -0,0 +1,15 @@
+// issue: rust-lang/rust#124022
+
+struct Type<T>;
+//~^ ERROR type parameter `T` is never used
+
+fn main() {
+    {
+        impl<T> Type<T> {
+            fn new() -> Type<T> {
+                Type
+                //~^ ERROR type annotations needed
+            }
+        }
+    };
+}
diff --git a/tests/ui/inference/dont-collect-stmts-from-parent-body.stderr b/tests/ui/inference/dont-collect-stmts-from-parent-body.stderr
new file mode 100644
index 00000000000..f82527273fb
--- /dev/null
+++ b/tests/ui/inference/dont-collect-stmts-from-parent-body.stderr
@@ -0,0 +1,24 @@
+error[E0392]: type parameter `T` is never used
+  --> $DIR/dont-collect-stmts-from-parent-body.rs:3:13
+   |
+LL | struct Type<T>;
+   |             ^ unused type parameter
+   |
+   = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
+   = help: if you intended `T` to be a const parameter, use `const T: /* Type */` instead
+
+error[E0282]: type annotations needed
+  --> $DIR/dont-collect-stmts-from-parent-body.rs:10:17
+   |
+LL |                 Type
+   |                 ^^^^ cannot infer type of the type parameter `T` declared on the struct `Type`
+   |
+help: consider specifying the generic argument
+   |
+LL |                 Type::<T>
+   |                     +++++
+
+error: aborting due to 2 previous errors
+
+Some errors have detailed explanations: E0282, E0392.
+For more information about an error, try `rustc --explain E0282`.
-- 
cgit 1.4.1-3-g733a5