1 files changed, 44 insertions, 0 deletions
diff --git a/src/test/ui/unsized/unsized6.rs b/src/test/ui/unsized/unsized6.rs
new file mode 100644
index 000000000..79133554d
--- /dev/null
+++ b/src/test/ui/unsized/unsized6.rs
@@ -0,0 +1,44 @@
+// Test `?Sized` local variables.
+
+trait T {}
+
+fn f1<W: ?Sized, X: ?Sized, Y: ?Sized, Z: ?Sized>(x: &X) {
+    let _: W; // <-- this is OK, no bindings created, no initializer.
+    let _: (isize, (X, isize));
+    //~^ ERROR the size for values of type
+    let y: Y;
+    //~^ ERROR the size for values of type
+    let y: (isize, (Z, usize));
+    //~^ ERROR the size for values of type
+}
+fn f2<X: ?Sized, Y: ?Sized>(x: &X) {
+    let y: X;
+    //~^ ERROR the size for values of type
+    let y: (isize, (Y, isize));
+    //~^ ERROR the size for values of type
+}
+
+fn f3<X: ?Sized>(x1: Box<X>, x2: Box<X>, x3: Box<X>) {
+    let y: X = *x1;
+    //~^ ERROR the size for values of type
+    let y = *x2;
+    //~^ ERROR the size for values of type
+    let (y, z) = (*x3, 4);
+    //~^ ERROR the size for values of type
+}
+fn f4<X: ?Sized + T>(x1: Box<X>, x2: Box<X>, x3: Box<X>) {
+    let y: X = *x1;
+    //~^ ERROR the size for values of type
+    let y = *x2;
+    //~^ ERROR the size for values of type
+    let (y, z) = (*x3, 4);
+    //~^ ERROR the size for values of type
+}
+
+fn g1<X: ?Sized>(x: X) {}
+//~^ ERROR the size for values of type
+fn g2<X: ?Sized + T>(x: X) {}
+//~^ ERROR the size for values of type
+
+pub fn main() {
+}