> Log Message:
> crfree(): add DIAGNOSTIC sanity check of cr_ref; unfortunately, if the memory
> is freed prematurely the check won't be triggered immediatelly, probably
> since the memory is likely to be reused fast; but it _would_ be triggered
> eventually

This check doesn't make sense also when crhold() is called
sequencially (i.e., twice without crfree()), does it?

enami.