fix region nodes being culled prematurely

1 files changed, 5 insertions, 3 deletions

diff --git a/test.lang b/test.lang
index 1f33175..24a931d 100644
--- a/test.lang
+++ b/test.lang
@@ -1,6 +1,8 @@
-proc main(a, b i64) {
+func main(a, b i64) i64 {
 	if a = b {
-		b := 3
+		let t = a
+		a := b
+		b := t
 	}
-	return a
+	return a + b
 }