This still exists in 3.0.2 scheme@(guile-user)> ,use (ice-9 control)
scheme@(guile-user)> (call/ec (lambda (c) (with-continuation-barrier (lambda () (c "through continuation"))) "c-w-b returned")) $1 = "through continuation" scheme@(guile-user)> (version) $2 = "3.0.2"
