summaryrefslogtreecommitdiffstats
path: root/src/test/ui/packed/packed-with-inference-vars-issue-61402.rs
diff options
context:
space:
mode:
Diffstat (limited to 'src/test/ui/packed/packed-with-inference-vars-issue-61402.rs')
-rw-r--r--src/test/ui/packed/packed-with-inference-vars-issue-61402.rs22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/packed/packed-with-inference-vars-issue-61402.rs b/src/test/ui/packed/packed-with-inference-vars-issue-61402.rs
new file mode 100644
index 000000000..659864c1d
--- /dev/null
+++ b/src/test/ui/packed/packed-with-inference-vars-issue-61402.rs
@@ -0,0 +1,22 @@
+// run-pass
+// If a struct is packed and its last field has drop glue, then that
+// field needs to be Sized (to allow it to be destroyed out-of-place).
+//
+// This is checked by the compiler during wfcheck. That check used
+// to have problems with associated types in the last field - test
+// that this doesn't ICE.
+
+#![allow(unused_imports, dead_code)]
+
+pub struct S;
+
+pub trait Trait<R> { type Assoc; }
+
+impl<X> Trait<X> for S { type Assoc = X; }
+
+#[repr(C, packed)]
+struct PackedAssocSized {
+ pos: Box<<S as Trait<usize>>::Assoc>,
+}
+
+fn main() { println!("Hello, world!"); }