test for bug

compiler/tests/circuits/mod.rs

@@ -308,3 +308,11 @@ fn test_duplicate_name_context() {
 
     assert_satisfied(program);
 }
+
+#[test]
+fn test_mutable_call_immutable_context() {
+    let program_string = include_str!("mutable_call_immutable_context.leo");
+    let program = parse_program(program_string).unwrap();
+
+    assert_satisfied(program);
+}

compiler/tests/circuits/mutable_call_immutable_context.leo

@@ -0,0 +1,12 @@
+circuit TestMe {
+    x: u8,
+
+    function test_me(mut self) -> u8 {
+        self.x += 1;
+        return self.x
+    }
+}
+
+function main () {
+    const t = TestMe {x: 6u8}.test_me();
+}