1 files changed, 21 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-14091-2.stderr b/src/test/ui/issues/issue-14091-2.stderr
new file mode 100644
index 000000000..a191afd79
--- /dev/null
+++ b/src/test/ui/issues/issue-14091-2.stderr
@@ -0,0 +1,21 @@
+error[E0600]: cannot apply unary operator `!` to type `BytePos`
+  --> $DIR/issue-14091-2.rs:15:5
+   |
+LL |     assert!(x, x);
+   |     ^^^^^^^^^^^^^ cannot apply unary operator `!`
+   |
+note: an implementation of `Not` might be missing for `BytePos`
+  --> $DIR/issue-14091-2.rs:6:1
+   |
+LL | pub struct BytePos(pub u32);
+   | ^^^^^^^^^^^^^^^^^^ must implement `Not`
+note: the following trait must be implemented
+  --> $SRC_DIR/core/src/ops/bit.rs:LL:COL
+   |
+LL | pub trait Not {
+   | ^^^^^^^^^^^^^
+   = note: this error originates in the macro `assert` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0600`.