On 17/10/2018 22:02, Andres Freund wrote:
>> Your version with __builtin_types_compatible_p() doesn't work for
>> casting between char * and const char *, so it wouldn't be very useful.
> Huh, why wouldn't it work for char *? Seems to work fine for me?
__builtin_types_compatible_p(const char *, char *) returns false (0) for me.
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