From a4b7ed7a42c716ab9f05e351f003d589124fd55d Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:18:58 +0200
Subject: Adding upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/ui/resolve/issue-21221-1.rs | 75 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 tests/ui/resolve/issue-21221-1.rs

(limited to 'tests/ui/resolve/issue-21221-1.rs')

diff --git a/tests/ui/resolve/issue-21221-1.rs b/tests/ui/resolve/issue-21221-1.rs
new file mode 100644
index 000000000..b180624d2
--- /dev/null
+++ b/tests/ui/resolve/issue-21221-1.rs
@@ -0,0 +1,75 @@
+mod mul1 {
+    pub trait Mul {}
+}
+
+mod mul2 {
+    pub trait Mul {}
+}
+
+mod mul3 {
+    enum Mul {
+      Yes,
+      No
+    }
+}
+
+mod mul4 {
+    type Mul = String;
+}
+
+mod mul5 {
+    struct Mul{
+        left_term: u32,
+        right_term: u32
+    }
+}
+
+#[derive(Debug)]
+struct Foo;
+
+// When we comment the next line:
+//use mul1::Mul;
+
+// BEFORE, we got the following error for the `impl` below:
+//   error: use of undeclared trait name `Mul` [E0405]
+// AFTER, we get this message:
+//   error: trait `Mul` is not in scope.
+//   help: ...
+//   help: you can import several candidates into scope (`use ...;`):
+//   help:   `mul1::Mul`
+//   help:   `mul2::Mul`
+//   help:   `std::ops::Mul`
+
+impl Mul for Foo {
+//~^ ERROR cannot find trait `Mul`
+}
+
+// BEFORE, we got:
+//   error: use of undeclared type name `Mul` [E0412]
+// AFTER, we get:
+//   error: type name `Mul` is not in scope. Maybe you meant:
+//   help: ...
+//   help: you can import several candidates into scope (`use ...;`):
+//   help:   `mul1::Mul`
+//   help:   `mul2::Mul`
+//   help:   `mul3::Mul`
+//   help:   `mul4::Mul`
+//   help:   and 2 other candidates
+fn getMul() -> Mul {
+//~^ ERROR cannot find type `Mul`
+}
+
+// Let's also test what happens if the trait doesn't exist:
+impl ThisTraitReallyDoesntExistInAnyModuleReally for Foo {
+//~^ ERROR cannot find trait `ThisTraitReallyDoesntExistInAnyModuleReally`
+}
+
+// Let's also test what happens if there's just one alternative:
+impl Div for Foo {
+//~^ ERROR cannot find trait `Div`
+}
+
+fn main() {
+    let foo = Foo();
+    println!("Hello, {:?}!", foo);
+}
-- 
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