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-rw-r--r--src/test/ui/borrowck/borrowck-uninit-field-access.rs30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/borrowck-uninit-field-access.rs b/src/test/ui/borrowck/borrowck-uninit-field-access.rs
new file mode 100644
index 000000000..bc931eef9
--- /dev/null
+++ b/src/test/ui/borrowck/borrowck-uninit-field-access.rs
@@ -0,0 +1,30 @@
+// Check that do not allow access to fields of uninitialized or moved
+// structs.
+
+#[derive(Default)]
+struct Point {
+ x: isize,
+ y: isize,
+}
+
+#[derive(Default)]
+struct Line {
+ origin: Point,
+ middle: Point,
+ target: Point,
+}
+
+impl Line { fn consume(self) { } }
+
+fn main() {
+ let mut a: Point;
+ let _ = a.x + 1; //~ ERROR [E0381]
+
+ let mut line1 = Line::default();
+ let _moved = line1.origin;
+ let _ = line1.origin.x + 1; //~ ERROR [E0382]
+
+ let mut line2 = Line::default();
+ let _moved = (line2.origin, line2.middle);
+ line2.consume(); //~ ERROR [E0382]
+}