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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Guo Xiang Tan <gxtan1990@gmail.com>
cc: pgsql-bugs@lists.postgresql.org, Robert Haas <robertmhaas@gmail.com>
Subject: Re: BUG #15032: Segmentation fault when running a particular query
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Comments: In-reply-to Tom Lane <tgl@sss.pgh.pa.us>
	message dated "Fri, 26 Jan 2018 20:42:47 -0500"
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I wrote:
> I'll look into an actual fix tomorrow.

I've pushed a fix for this.  I concluded that there's no real reason
to touch branches before 10: the index_markpos call is useless in the
case in question, but it doesn't do any more than waste some cycles.

			regards, tom lane