Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/tests/ui/macros/macro-interpolation.rs b/tests/ui/macros/macro-interpolation.rs
new file mode 100644
index 000000000..35003a79a
--- /dev/null
+++ b/tests/ui/macros/macro-interpolation.rs
@@ -0,0 +1,33 @@
+// run-pass
+
+macro_rules! overly_complicated {
+    ($fnname:ident, $arg:ident, $ty:ty, $body:block, $val:expr, $pat:pat, $res:path) =>
+    ({
+        fn $fnname($arg: $ty) -> Option<$ty> $body
+        match $fnname($val) {
+          Some($pat) => {
+            $res
+          }
+          _ => { panic!(); }
+        }
+    })
+
+}
+
+macro_rules! qpath {
+    (path, <$type:ty as $trait:path>::$name:ident) => {
+        <$type as $trait>::$name
+    };
+
+    (ty, <$type:ty as $trait:ty>::$name:ident) => {
+        <$type as $trait>::$name
+    };
+}
+
+pub fn main() {
+    let _: qpath!(path, <str as ToOwned>::Owned);
+    let _: qpath!(ty, <str as ToOwned>::Owned);
+
+    assert!(overly_complicated!(f, x, Option<usize>, { return Some(x); },
+                               Some(8), Some(y), y) == 8)
+}