Your bug report

#12841: Make for AIX 8.20 fails with undefined symbol .rpl_malloc

which was filed against the coreutils package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 12841@debbugs.gnu.org.

-- 
12841: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=12841
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