rspec-any_instance-super-stacklevel-error

[1] pry(main)> require 'rspec/mocks/standalone'
=> true
[2] pry(main)> class A; def m; "a" ; end; end
=> :m
[3] pry(main)> class B < A; def m; super + "b"; end; end
=> :m
[4] pry(main)> A.any_instance.stub(:m).and_return("c")
=> #<RSpec::Mocks::AnyInstance::StubChain:0x007fa8eba258f0
 @expectation_args=[:m],
 @expectation_block=nil,
 @invocation_order=
  {:with=>[nil],
   :and_return=>[:with, nil],
   :and_raise=>[:with, nil],
   :and_yield=>[:with, nil],
   :and_call_original=>[:with, nil]},
 @messages=[[[:and_return, "c"], nil]],
 @recorder=
  #<RSpec::Mocks::AnyInstance::Recorder:0x007fa8eba264d0
   @expectation_set=false,
   @klass=A,
   @message_chains=
    {:m=>[#<RSpec::Mocks::AnyInstance::StubChain:0x007fa8eba258f0 ...>]},
   @observed_methods=[:m],
   @played_methods={},
   @stubs={}>>
[5] pry(main)> B.new.m
SystemStackError: stack level too deep
[6] pry(main)> A.new.m
=> "c"