Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 24 insertions, 0 deletions

diff --git a/tests/ui/reachable/unwarned-match-on-never.rs b/tests/ui/reachable/unwarned-match-on-never.rs
new file mode 100644
index 000000000..71f8fe3a7
--- /dev/null
+++ b/tests/ui/reachable/unwarned-match-on-never.rs
@@ -0,0 +1,24 @@
+#![deny(unreachable_code)]
+#![allow(dead_code)]
+
+#![feature(never_type)]
+
+fn foo(x: !) -> bool {
+    // Explicit matches on the never type are unwarned.
+    match x {}
+    // But matches in unreachable code are warned.
+    match x {} //~ ERROR unreachable expression
+}
+
+fn bar() {
+    match (return) {
+        () => () //~ ERROR unreachable arm
+    }
+}
+
+fn main() {
+    return;
+    match () { //~ ERROR unreachable expression
+        () => (),
+    }
+}