1 files changed, 28 insertions, 0 deletions
diff --git a/tests/ui/offset-of/offset-of-private.rs b/tests/ui/offset-of/offset-of-private.rs
new file mode 100644
index 000000000..6b1a16ba6
--- /dev/null
+++ b/tests/ui/offset-of/offset-of-private.rs
@@ -0,0 +1,28 @@
+#![feature(offset_of)]
+
+use std::mem::offset_of;
+
+mod m {
+    #[repr(C)]
+    pub struct Foo {
+        pub public: u8,
+        private: u8,
+    }
+    #[repr(C)]
+    pub struct FooTuple(pub u8, u8);
+    #[repr(C)]
+    struct Bar {
+        pub public: u8,
+        private: u8,
+    }
+}
+
+fn main() {
+    offset_of!(m::Foo, public);
+    offset_of!(m::Foo, private); //~ ERROR field `private` of struct `Foo` is private
+    offset_of!(m::FooTuple, 0);
+    offset_of!(m::FooTuple, 1); //~ ERROR field `1` of struct `FooTuple` is private
+    offset_of!(m::Bar, public); //~ ERROR struct `Bar` is private
+    offset_of!(m::Bar, private); //~ ERROR struct `Bar` is private
+    //~| ERROR field `private` of struct `Bar` is private
+}