Add 'engine/' from commit 'a8e37fc010'

git-subtree-dir: engine
git-subtree-mainline: b74841629e
git-subtree-split: a8e37fc010

engine/modules/gdscript/tests/scripts/runtime/features/parameter_shadowing.gd

@@ -0,0 +1,25 @@
+# https://github.com/godotengine/godot/pull/69620
+
+var a: int = 1
+
+func shadow_regular_assignment(a: Variant, b: Variant) -> void:
+	print(a)
+	print(self.a)
+	a = b
+	print(a)
+	print(self.a)
+
+
+var v := Vector2(0.0, 0.0)
+
+func shadow_subscript_assignment(v: Vector2, x: float) -> void:
+	print(v)
+	print(self.v)
+	v.x += x
+	print(v)
+	print(self.v)
+
+
+func test():
+	shadow_regular_assignment('a', 'b')
+	shadow_subscript_assignment(Vector2(1.0, 1.0), 5.0)