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# test super() operations which don't require allocation

import micropython

# Check for stackless build, which can't call functions without

# allocating a frame on heap.

try:

def stackless():

pass

micropython.heap_lock()

stackless()

micropython.heap_unlock()

except RuntimeError:

print("SKIP")

raise SystemExit

class A:

def foo(self):

print("A foo")

return 42

class B(A):

def foo(self):

print("B foo")

print(super().foo())

b = B()

micropython.heap_lock()

b.foo()

micropython.heap_unlock()