runtime mutable global state

examples/programs/while_loop/main.bro

@@ -31,12 +31,12 @@ main func() i32 {
 		}
 	}
 
-	# The body-local k shadows only inside the body. The update still targets
+	# Body-local storage stays scoped to the body. The update still targets
 	# the mutable k declared before the loop.
 	k u32 = 0
 	while k < 4 : k = k + 1 {
-		k u32 = 100
-		if k == 100 {
+		body_k u32 = 100
+		if body_k == 100 {
 			total = total + 2
 		}
 	}