1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/borrowck/issue-114374-invalid-help-fmt-args.rs b/tests/ui/borrowck/issue-114374-invalid-help-fmt-args.rs
new file mode 100644
index 000000000..4a6c2f9ed
--- /dev/null
+++ b/tests/ui/borrowck/issue-114374-invalid-help-fmt-args.rs
@@ -0,0 +1,16 @@
+#![allow(dead_code)]
+
+fn bar<'a>(_: std::fmt::Arguments<'a>) {}
+fn main() {
+    let x = format_args!("a {} {} {}.", 1, format_args!("b{}!", 2), 3);
+    //~^ ERROR temporary value dropped while borrowed
+
+    bar(x);
+
+    let foo = format_args!("{}", "hi");
+    //~^ ERROR temporary value dropped while borrowed
+    bar(foo);
+
+    let foo = format_args!("hi"); // no placeholder in arguments, so no error
+    bar(foo);
+}