1 files changed, 43 insertions, 0 deletions
diff --git a/src/test/ui/unsized-locals/unsized-exprs.stderr b/src/test/ui/unsized-locals/unsized-exprs.stderr
new file mode 100644
index 000000000..6960255d9
--- /dev/null
+++ b/src/test/ui/unsized-locals/unsized-exprs.stderr
@@ -0,0 +1,43 @@
+error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
+  --> $DIR/unsized-exprs.rs:22:26
+   |
+LL |     udrop::<(i32, [u8])>((42, *foo()));
+   |                          ^^^^^^^^^^^^ doesn't have a size known at compile-time
+   |
+   = help: within `({integer}, [u8])`, the trait `Sized` is not implemented for `[u8]`
+   = note: required because it appears within the type `({integer}, [u8])`
+   = note: tuples must have a statically known size to be initialized
+
+error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
+  --> $DIR/unsized-exprs.rs:24:22
+   |
+LL |     udrop::<A<[u8]>>(A { 0: *foo() });
+   |     ---------------- ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
+   |     |
+   |     required by a bound introduced by this call
+   |
+   = help: within `A<[u8]>`, the trait `Sized` is not implemented for `[u8]`
+note: required because it appears within the type `A<[u8]>`
+  --> $DIR/unsized-exprs.rs:3:8
+   |
+LL | struct A<X: ?Sized>(X);
+   |        ^
+   = note: structs must have a statically known size to be initialized
+
+error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
+  --> $DIR/unsized-exprs.rs:26:22
+   |
+LL |     udrop::<A<[u8]>>(A(*foo()));
+   |                      ^ doesn't have a size known at compile-time
+   |
+   = help: within `A<[u8]>`, the trait `Sized` is not implemented for `[u8]`
+note: required because it appears within the type `A<[u8]>`
+  --> $DIR/unsized-exprs.rs:3:8
+   |
+LL | struct A<X: ?Sized>(X);
+   |        ^
+   = note: the return type of a function must have a statically known size
+
+error: aborting due to 3 previous errors
+
+For more information about this error, try `rustc --explain E0277`.