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-rw-r--r--src/test/ui/issues/issue-16151.rs29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-16151.rs b/src/test/ui/issues/issue-16151.rs
new file mode 100644
index 000000000..48a14b2af
--- /dev/null
+++ b/src/test/ui/issues/issue-16151.rs
@@ -0,0 +1,29 @@
+// run-pass
+
+use std::mem;
+
+static mut DROP_COUNT: usize = 0;
+
+struct Fragment;
+
+impl Drop for Fragment {
+ fn drop(&mut self) {
+ unsafe {
+ DROP_COUNT += 1;
+ }
+ }
+}
+
+fn main() {
+ {
+ let mut fragments = vec![Fragment, Fragment, Fragment];
+ let _new_fragments: Vec<Fragment> = mem::replace(&mut fragments, vec![])
+ .into_iter()
+ .skip_while(|_fragment| {
+ true
+ }).collect();
+ }
+ unsafe {
+ assert_eq!(DROP_COUNT, 3);
+ }
+}