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-rw-r--r--src/test/ui/span/issue-23338-locals-die-before-temps-of-body.rs28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/ui/span/issue-23338-locals-die-before-temps-of-body.rs b/src/test/ui/span/issue-23338-locals-die-before-temps-of-body.rs
new file mode 100644
index 000000000..a92ea4ddc
--- /dev/null
+++ b/src/test/ui/span/issue-23338-locals-die-before-temps-of-body.rs
@@ -0,0 +1,28 @@
+// This is just checking that we still reject code where temp values
+// are borrowing values for longer than they will be around.
+//
+// Compare to run-pass/issue-23338-params-outlive-temps-of-body.rs
+
+use std::cell::RefCell;
+
+fn foo(x: RefCell<String>) -> String {
+ let y = x;
+ y.borrow().clone()
+}
+//~^^ ERROR `y` does not live long enough
+
+fn foo2(x: RefCell<String>) -> String {
+ let ret = {
+ let y = x;
+ y.borrow().clone()
+ };
+ //~^^ ERROR `y` does not live long enough
+ ret
+}
+
+fn main() {
+ let r = RefCell::new(format!("data"));
+ assert_eq!(foo(r), "data");
+ let r = RefCell::new(format!("data"));
+ assert_eq!(foo2(r), "data");
+}