Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

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

1 files changed, 39 insertions, 0 deletions

diff --git a/src/test/ui/macros/macro-or-patterns-back-compat.rs b/src/test/ui/macros/macro-or-patterns-back-compat.rs
new file mode 100644
index 000000000..9e24b5106
--- /dev/null
+++ b/src/test/ui/macros/macro-or-patterns-back-compat.rs
@@ -0,0 +1,39 @@
+// run-rustfix
+// aux-build:or-pattern.rs
+
+#![deny(rust_2021_incompatible_or_patterns)]
+#![allow(unused_macros)]
+
+#[macro_use]
+extern crate or_pattern;
+
+macro_rules! foo { ($x:pat | $y:pat) => {} }
+//~^ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
+//~| WARN this is accepted in the current edition
+macro_rules! bar { ($($x:pat)+ | $($y:pat)+) => {} }
+//~^ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
+//~| WARN this is accepted in the current edition
+
+macro_rules! baz { ($x:pat_param | $y:pat_param) => {} } // should be ok
+macro_rules! qux { ($x:pat_param | $y:pat) => {} } // should be ok
+macro_rules! ogg { ($x:pat | $y:pat_param) => {} }
+//~^ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
+//~| WARN this is accepted in the current edition
+macro_rules! match_any {
+    ( $expr:expr , $( $( $pat:pat )|+ => $expr_arm:expr ),+ ) => {
+        //~^ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
+        //~| WARN this is accepted in the current edition
+        match $expr {
+            $(
+                $( $pat => $expr_arm, )+
+            )+
+        }
+    };
+}
+
+fn main() {
+    let result: Result<i64, i32> = Err(42);
+    let int: i64 = match_any!(result, Ok(i) | Err(i) => i.into());
+    assert_eq!(int, 42);
+    a!(1|);
+}