Michael Paquier <michael@paquier.xyz> writes:
> On Thu, Jan 14, 2021 at 01:17:57AM +0000, Hou, Zhijie wrote:
>>>> Thanks. I am thinking to backpatch this even though there is no
>>>> problem reported from any production system. What do you think?
> text_to_cstring() indeed allocates a new string, so the extra
> allocation is useless. FWIW, I don't see much point in poking at
> the stable branches here.
Yeah, unless there's some reason to think that this creates a
meaningful memory leak, I wouldn't bother back-patching.
regards, tom lane