1657.lean:8:4-8:14: error: function `natrec_inner` has been recursively inlined more than #1, consider removing the attribute `[inline]` from this declaration or increasing the limit using `set_option compiler.maxRecInline <num>`
1657.lean:20:4-20:9: error: function `foo` has been recursively inlined more than #16, consider removing the attribute `[inlineIfReduce]` from this declaration or increasing the limit using `set_option compiler.maxRecInlineIfReduce <num>`
1657.lean:32:4-32:10: error: function `foldr` has been recursively inlined more than #1, consider removing the attribute `[inline]` from this declaration or increasing the limit using `set_option compiler.maxRecInline <num>`