Relinking of ad module “adwrknew” failed while applying patch 9239089

Relink failed with below error while applying patch 9239089 as part of oracle applications upgrade from 12.1.1 to 12.1.3

make: *** [/u01/applmgr/PROD/apps/apps_st/appl/ad/12.0.0/bin/adwrknew] Error 1
Done with link of ad executable 'adwrknew' on Sat Sep 16 23:00:50 IST 2017

Relink of module "adwrknew" failed.
See error messages above (also recorded in log file) for possible
reasons for the failure.  Also, please check that the Unix userid
running adrelink has read, write, and execute permissions
on the directory /u01/applmgr/PROD/apps/apps_st/appl/ad/12.0.0/bin,
and that there is sufficient space remaining on the disk partition
containing your Oracle Applications installation.
Done with link of product 'ad' on Sat Sep 16 23:00:50 IST 2017
adrelink is exiting with status 1
End of adrelink session
Date/time is  Sat Sep 16 23:00:50 IST 2017
**********************************************************

You are running adrelink, version 120.43.12010000.6

Solution: Download patch 12415211 and perform below steps.

[applmgr@localhost ~]$ cd $ORACLE_HOME/lib
[applmgr@localhost lib]$ pwd
/u01/applmgr/PROD/apps/tech_st/10.1.2/lib
[applmgr@localhost lib]$ cp -p -R stubs stubsORIG
[applmgr@localhost lib]$ cd stubs
[applmgr@localhost stubs]$ cp /u02/Softwares/apps_R12_Linux_x86_64/12.1.3/12415211/files/lib/stubs/libgcc_s-2.3.2-stub.so .
[applmgr@localhost stubs]$ ln -s libgcc_s-2.3.2-stub.so libgcc_s.so.1
[applmgr@localhost stubs]$ ln -s libgcc_s.so.1 libgcc_s.so

[applmgr@localhost stubs]$ pwd
/u01/applmgr/PROD/apps/tech_st/10.1.2/lib/stubs
 [applmgr@localhost stubs]$ cd ../../../10.1.3/
[applmgr@localhost 10.1.3]$ cd lib/
[applmgr@localhost lib]$ cp -p -R stubs stubsORIG
[applmgr@localhost lib]$ cd stubs
[applmgr@localhost stubs]$ cp /u02/Softwares/apps_R12_Linux_x86_64/12.1.3/12415211/files/lib/stubs/libgcc_s-2.3.2-stub.so .
[applmgr@localhost stubs]$  ln -s libgcc_s-2.3.2-stub.so libgcc_s.so.1
[applmgr@localhost stubs]$  ln -s libgcc_s.so.1 libgcc_s.so

Restart the failed patch 9239089