Initial demutate impl

compiler/src/main.rs

@@ -1,5 +1,6 @@
 mod declass;
 mod declosure;
+mod demutate;
 mod flatten;
 mod parse;
 mod regify;
@@ -43,6 +44,11 @@ fn main() {
     let declassed = declass(reg_fns);
     println!("{declassed:#?}");
 
+    println!("=== demutate runs ===");
+    for f in &declassed {
+        println!("{}: {:#?}", f.name, demutate::find_object_runs(f));
+    }
+
     println!("=== after declosure ===");
     let declosured = declosure(declassed);
     println!("{declosured:#?}");