micropython: add micropython component

components/language/micropython/tests/stress/gc_trace.py

@@ -0,0 +1,19 @@
+# test that the GC can trace nested objects
+
+try:
+    import gc
+except ImportError:
+    print("SKIP")
+    raise SystemExit
+
+# test a big shallow object pointing to many unique objects
+lst = [[i] for i in range(200)]
+gc.collect()
+print(lst)
+
+# test a deep object
+lst = [
+    [[[[(i, j, k, l)] for i in range(3)] for j in range(3)] for k in range(3)] for l in range(3)
+]
+gc.collect()
+print(lst)