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-rw-r--r--src/test/ui/reachable/unwarned-match-on-never.rs24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/reachable/unwarned-match-on-never.rs b/src/test/ui/reachable/unwarned-match-on-never.rs
new file mode 100644
index 000000000..71f8fe3a7
--- /dev/null
+++ b/src/test/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
+ () => (),
+ }
+}