Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 20 insertions, 0 deletions

diff --git a/tests/mir-opt/unreachable_diverging.rs b/tests/mir-opt/unreachable_diverging.rs
new file mode 100644
index 000000000..bbf28efc7
--- /dev/null
+++ b/tests/mir-opt/unreachable_diverging.rs
@@ -0,0 +1,20 @@
+pub enum Empty {}
+
+fn empty() -> Option<Empty> {
+    None
+}
+
+fn loop_forever() {
+    loop {}
+}
+
+// EMIT_MIR unreachable_diverging.main.UnreachablePropagation.diff
+fn main() {
+    let x = true;
+    if let Some(bomb) = empty() {
+        if x {
+            loop_forever()
+        }
+        match bomb {}
+    }
+}