1 files changed, 38 insertions, 0 deletions
diff --git a/tests/ui/c-variadic/variadic-ffi-4.rs b/tests/ui/c-variadic/variadic-ffi-4.rs
new file mode 100644
index 00000000000..80640379422
--- /dev/null
+++ b/tests/ui/c-variadic/variadic-ffi-4.rs
@@ -0,0 +1,38 @@
+#![crate_type = "lib"]
+#![no_std]
+#![feature(c_variadic)]
+
+use core::ffi::{VaList, VaListImpl};
+
+pub unsafe extern "C" fn no_escape0<'f>(_: usize, ap: ...) -> VaListImpl<'f> {
+    ap
+    //~^ ERROR: lifetime may not live long enough
+    //~| ERROR: lifetime may not live long enough
+}
+
+pub unsafe extern "C" fn no_escape1(_: usize, ap: ...) -> VaListImpl<'static> {
+    ap //~ ERROR: lifetime may not live long enough
+}
+
+pub unsafe extern "C" fn no_escape2(_: usize, ap: ...) {
+    let _ = ap.with_copy(|ap| ap); //~ ERROR: lifetime may not live long enough
+}
+
+pub unsafe extern "C" fn no_escape3(_: usize, mut ap0: &mut VaListImpl, mut ap1: ...) {
+    *ap0 = ap1;
+    //~^ ERROR: lifetime may not live long enough
+    //~| ERROR: lifetime may not live long enough
+}
+
+pub unsafe extern "C" fn no_escape4(_: usize, mut ap0: &mut VaListImpl, mut ap1: ...) {
+    ap0 = &mut ap1;
+    //~^ ERROR: `ap1` does not live long enough
+    //~| ERROR: lifetime may not live long enough
+    //~| ERROR: lifetime may not live long enough
+}
+
+pub unsafe extern "C" fn no_escape5(_: usize, mut ap0: &mut VaListImpl, mut ap1: ...) {
+    *ap0 = ap1.clone();
+    //~^ ERROR: lifetime may not live long enough
+    //~| ERROR: lifetime may not live long enough
+}