tests: Add test for function w/ removed base clip

tests/tests/regression_tests.rs

@@ -111,6 +111,7 @@ swf_tests! {
     (as2_bitand, "avm1/bitand", 1),
     (as2_bitxor, "avm1/bitxor", 1),
     (function_base_clip, "avm1/function_base_clip", 2),
+    (function_base_clip_removed, "avm1/function_base_clip_removed", 3),
     (call, "avm1/call", 2),
     (color, "avm1/color", 1, img = true),
     (clip_events, "avm1/clip_events", 4),

tests/tests/swfs/avm1/function_base_clip_removed/output.txt

@@ -0,0 +1,22 @@
+clip1.f():
+this: _level0.clip1
+_root: _level0
+base: /functionDefiner
+
+clip2.obj.f():
+this: [object Object]
+_root: _level0
+base: /functionDefiner
+
+functionDefiner removed
+
+clip1.f():
+this: _level0.clip1
+_root: _level0
+base: /clip1
+
+clip2.obj.f():
+this: [object Object]
+_root: _level0
+base: /
+