Bruno alerted me off-list:

On 05/09/18 07:19 PM, Bruno Haible wrote:
 > Is the ChangeLog entry up-to-date?
 >
 > +	* regexec.c (get_subexp): Update 'buf' after call to get_subexp_sub.
 > +	Additionally, check for allocation errors and bail out if needed.
 >
 > I don't see a code change for
 > "check for allocation errors and bail out if needed".

Thanks!

I initially had a check for REG_NOERROR there, but removed it.

Attached an updated patch without the outdated comment.

-assaf