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-rw-r--r--tests/ui/moves/issue-72649-uninit-in-loop.rs74
1 files changed, 74 insertions, 0 deletions
diff --git a/tests/ui/moves/issue-72649-uninit-in-loop.rs b/tests/ui/moves/issue-72649-uninit-in-loop.rs
new file mode 100644
index 00000000000..56c225bab8c
--- /dev/null
+++ b/tests/ui/moves/issue-72649-uninit-in-loop.rs
@@ -0,0 +1,74 @@
+// Regression test for issue #72649
+// Tests that we don't emit spurious
+// 'value moved in previous iteration of loop' message
+
+struct NonCopy;
+
+fn good() {
+    loop {
+        let value = NonCopy{};
+        let _used = value;
+    }
+}
+
+fn moved_here_1() {
+    loop {
+        let value = NonCopy{};
+        //~^ NOTE move occurs because `value` has type `NonCopy`, which does not implement the `Copy` trait
+        let _used = value;
+        //~^ NOTE value moved here
+        let _used2 = value; //~ ERROR use of moved value: `value`
+        //~^ NOTE value used here after move
+    }
+}
+
+fn moved_here_2() {
+    let value = NonCopy{};
+    //~^ NOTE move occurs because `value` has type `NonCopy`, which does not implement the `Copy` trait
+    loop { //~ NOTE inside of this loop
+        let _used = value;
+        //~^ NOTE value moved here
+        loop {
+            let _used2 = value; //~ ERROR use of moved value: `value`
+            //~^ NOTE value used here after move
+        }
+    }
+}
+
+fn moved_loop_1() {
+    let value = NonCopy{};
+    //~^ NOTE move occurs because `value` has type `NonCopy`, which does not implement the `Copy` trait
+    loop { //~ NOTE inside of this loop
+        let _used = value; //~ ERROR use of moved value: `value`
+        //~^ NOTE value moved here, in previous iteration of loop
+    }
+}
+
+fn moved_loop_2() {
+    let mut value = NonCopy{};
+    //~^ NOTE move occurs because `value` has type `NonCopy`, which does not implement the `Copy` trait
+    let _used = value;
+    value = NonCopy{};
+    loop { //~ NOTE inside of this loop
+        let _used2 = value; //~ ERROR use of moved value: `value`
+        //~^ NOTE value moved here, in previous iteration of loop
+    }
+}
+
+fn uninit_1() {
+    loop {
+        let value: NonCopy; //~ NOTE declared here
+        let _used = value; //~ ERROR binding `value` isn't initialized
+        //~^ NOTE `value` used here but it isn't initialized
+    }
+}
+
+fn uninit_2() {
+    let mut value: NonCopy; //~ NOTE declared here
+    loop {
+        let _used = value; //~ ERROR binding `value` isn't initialized
+        //~^ NOTE `value` used here but it isn't initialized
+    }
+}
+
+fn main() {}