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-rw-r--r--src/test/ui/let-else/let-else-non-diverging.rs13
1 files changed, 11 insertions, 2 deletions
diff --git a/src/test/ui/let-else/let-else-non-diverging.rs b/src/test/ui/let-else/let-else-non-diverging.rs
index a1cee335a..a5442dd82 100644
--- a/src/test/ui/let-else/let-else-non-diverging.rs
+++ b/src/test/ui/let-else/let-else-non-diverging.rs
@@ -1,5 +1,3 @@
-#![feature(let_else)]
-
fn main() {
let Some(x) = Some(1) else { //~ ERROR does not diverge
Some(2)
@@ -10,4 +8,15 @@ fn main() {
}
};
let Some(x) = Some(1) else { Some(2) }; //~ ERROR does not diverge
+
+ // Ensure that uninhabited types do not "diverge".
+ // This might be relaxed in the future, but when it is,
+ // it should be an explicitly wanted decision.
+ let Some(x) = Some(1) else { foo::<Uninhabited>() }; //~ ERROR does not diverge
+}
+
+enum Uninhabited {}
+
+fn foo<T>() -> T {
+ panic!()
}