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-rw-r--r--tests/ui/borrowck/mut-borrow-in-loop-2.fixed35
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/ui/borrowck/mut-borrow-in-loop-2.fixed b/tests/ui/borrowck/mut-borrow-in-loop-2.fixed
new file mode 100644
index 000000000..ceeba30a9
--- /dev/null
+++ b/tests/ui/borrowck/mut-borrow-in-loop-2.fixed
@@ -0,0 +1,35 @@
+// run-rustfix
+#![allow(dead_code)]
+
+struct Events<R>(R);
+
+struct Other;
+
+pub trait Trait<T> {
+ fn handle(value: T) -> Self;
+}
+
+// Blanket impl. (If you comment this out, compiler figures out that it
+// is passing an `&mut` to a method that must be expecting an `&mut`,
+// and injects an auto-reborrow.)
+impl<T, U> Trait<U> for T where T: From<U> {
+ fn handle(_: U) -> Self { unimplemented!() }
+}
+
+impl<'a, R> Trait<&'a mut Events<R>> for Other {
+ fn handle(_: &'a mut Events<R>) -> Self { unimplemented!() }
+}
+
+fn this_compiles<'a, R>(value: &'a mut Events<R>) {
+ for _ in 0..3 {
+ Other::handle(&mut *value);
+ }
+}
+
+fn this_does_not<'a, R>(value: &'a mut Events<R>) {
+ for _ in 0..3 {
+ Other::handle(&mut *value); //~ ERROR use of moved value: `value`
+ }
+}
+
+fn main() {}