summaryrefslogtreecommitdiffstats
path: root/src/test/ui/dest-prop
diff options
context:
space:
mode:
Diffstat (limited to 'src/test/ui/dest-prop')
-rw-r--r--src/test/ui/dest-prop/skeptic-miscompile.rs24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/dest-prop/skeptic-miscompile.rs b/src/test/ui/dest-prop/skeptic-miscompile.rs
new file mode 100644
index 000000000..4bb61dbc7
--- /dev/null
+++ b/src/test/ui/dest-prop/skeptic-miscompile.rs
@@ -0,0 +1,24 @@
+// run-pass
+
+// compile-flags: -Zmir-opt-level=3
+
+trait IterExt: Iterator {
+ fn fold_ex<B, F>(mut self, init: B, mut f: F) -> B
+ where
+ Self: Sized,
+ F: FnMut(B, Self::Item) -> B,
+ {
+ let mut accum = init;
+ while let Some(x) = self.next() {
+ accum = f(accum, x);
+ }
+ accum
+ }
+}
+
+impl<T: Iterator> IterExt for T {}
+
+fn main() {
+ let test = &["\n"];
+ test.iter().fold_ex(String::new(), |_, b| b.to_string());
+}