3156627 - AIX: Cannot load module libc++.a(shr_64.o) during SAP Web Dispatcher update

Upgrade SAP Web Dispatcher from version 7.53 to 7.81 fails due to following error:
 
abcdefgh:edsadm 204> ./sapwebdisp pf=sapwebdisp.pfl
exec(): 0509-036 Cannot load program ./sapwebdisp because of the following errors:
0509-150 Dependent module libc++.a(shr_64.o) could not be loaded.
0509-022 Cannot load module libc++.a(shr_64.o).
0509-026 System error: A file or directory in the path name does not exist

SAP system on AIX 7.1 

sapwebdisp, libc++.a(shr_64.o), Cannot load module , KBA , BC-OP-AIX , IBM AIX , BC-CST-WDP , Web Dispatcher , Problem