Fix _cplusplus test in both trees.
Fix _cplusplus test in both trees.

lintzc/gpdb,janebeckman/gpdb,kmjungersen/PostgresXL,cjcjameson/gpdb,kaknikhil/gpdb,randomtask1155/gpdb,zeroae/postgres-xl,randomtask1155/gpdb,xuegang/gpdb,rvs/gpdb,zaksoup/gpdb,tpostgres-projects/tPostgres,oberstet/postgres-xl,cjcjameson/gpdb,lpetrov-pivotal/gpdb,0x0FFF/gpdb,zeroae/postgres-xl,jmcatamney/gpdb,ahachete/gpdb,tpostgres-projects/tPostgres,techdragon/Postgres-XL,yuanzhao/gpdb,foyzur/gpdb,atris/gpdb,zeroae/postgres-xl,oberstet/postgres-xl,chrishajas/gpdb,greenplum-db/gpdb,edespino/gpdb,arcivanov/postgres-xl,foyzur/gpdb,arcivanov/postgres-xl,techdragon/Postgres-XL,Quikling/gpdb,pavanvd/postgres-xl,pavanvd/postgres-xl,zaksoup/gpdb,jmcatamney/gpdb,xuegang/gpdb,ashwinstar/gpdb,ashwinstar/gpdb,techdragon/Postgres-XL,rubikloud/gpdb,jmcatamney/gpdb,Quikling/gpdb,atris/gpdb,postmind-net/postgres-xl,Chibin/gpdb,royc1/gpdb,xinzweb/gpdb,kaknikhil/gpdb,ovr/postgres-xl,lpetrov-pivotal/gpdb,postmind-net/postgres-xl,janebeckman/gpdb,0x0FFF/gpdb,rubikloud/gpdb,CraigHarris/gpdb,foyzur/gpdb,jmcatamney/gpdb,kaknikhil/gpdb,snaga/postgres-xl,randomtask1155/gpdb,rvs/gpdb,tangp3/gpdb,greenplum-db/gpdb,ahachete/gpdb,adam8157/gpdb,chrishajas/gpdb,Chibin/gpdb,atris/gpdb,CraigHarris/gpdb,zeroae/postgres-xl,ashwinstar/gpdb,janebeckman/gpdb,janebeckman/gpdb,jmcatamney/gpdb,xuegang/gpdb,snaga/postgres-xl,yazun/postgres-xl,cjcjameson/gpdb,royc1/gpdb,zaksoup/gpdb,yuanzhao/gpdb,chrishajas/gpdb,atris/gpdb,kaknikhil/gpdb,tangp3/gpdb,pavanvd/postgres-xl,kmjungersen/PostgresXL,cjcjameson/gpdb,Chibin/gpdb,0x0FFF/gpdb,50wu/gpdb,lpetrov-pivotal/gpdb,ashwinstar/gpdb,kaknikhil/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,lisakowen/gpdb,kmjungersen/PostgresXL,rvs/gpdb,jmcatamney/gpdb,yazun/postgres-xl,lintzc/gpdb,greenplum-db/gpdb,ahachete/gpdb,greenplum-db/gpdb,cjcjameson/gpdb,Postgres-XL/Postgres-XL,lpetrov-pivotal/gpdb,adam8157/gpdb,edespino/gpdb,kmjungersen/PostgresXL,0x0FFF/gpdb,ovr/postgres-xl,rvs/gpdb,ahachete/gpdb,Chibin/gpdb,Chibin/gpdb,cjcjameson/gpdb,CraigHarris/gpdb,CraigHarris/gpdb,snaga/postgres-xl,Chibin/gpdb,yuanzhao/gpdb,arcivanov/postgres-xl,Quikling/gpdb,ashwinstar/gpdb,Chibin/gpdb,lisakowen/gpdb,lintzc/gpdb,edespino/gpdb,edespino/gpdb,zaksoup/gpdb,lintzc/gpdb,rvs/gpdb,xinzweb/gpdb,50wu/gpdb,techdragon/Postgres-XL,xuegang/gpdb,cjcjameson/gpdb,rvs/gpdb,50wu/gpdb,cjcjameson/gpdb,ovr/postgres-xl,edespino/gpdb,chrishajas/gpdb,CraigHarris/gpdb,randomtask1155/gpdb,janebeckman/gpdb,lintzc/gpdb,zaksoup/gpdb,zaksoup/gpdb,postmind-net/postgres-xl,lisakowen/gpdb,lpetrov-pivotal/gpdb,foyzur/gpdb,lisakowen/gpdb,0x0FFF/gpdb,ovr/postgres-xl,lpetrov-pivotal/gpdb,tangp3/gpdb,lpetrov-pivotal/gpdb,zaksoup/gpdb,kaknikhil/gpdb,lisakowen/gpdb,adam8157/gpdb,Chibin/gpdb,CraigHarris/gpdb,rvs/gpdb,greenplum-db/gpdb,xinzweb/gpdb,oberstet/postgres-xl,ovr/postgres-xl,xuegang/gpdb,rubikloud/gpdb,atris/gpdb,xinzweb/gpdb,yuanzhao/gpdb,chrishajas/gpdb,foyzur/gpdb,Quikling/gpdb,royc1/gpdb,lpetrov-pivotal/gpdb,lintzc/gpdb,yuanzhao/gpdb,janebeckman/gpdb,randomtask1155/gpdb,pavanvd/postgres-xl,adam8157/gpdb,yazun/postgres-xl,Quikling/gpdb,jmcatamney/gpdb,50wu/gpdb,lintzc/gpdb,Chibin/gpdb,rvs/gpdb,kaknikhil/gpdb,yuanzhao/gpdb,tangp3/gpdb,oberstet/postgres-xl,royc1/gpdb,50wu/gpdb,chrishajas/gpdb,0x0FFF/gpdb,greenplum-db/gpdb,randomtask1155/gpdb,edespino/gpdb,Quikling/gpdb,tpostgres-projects/tPostgres,janebeckman/gpdb,lisakowen/gpdb,tpostgres-projects/tPostgres,royc1/gpdb,yazun/postgres-xl,yazun/postgres-xl,Quikling/gpdb,zeroae/postgres-xl,ashwinstar/gpdb,CraigHarris/gpdb,royc1/gpdb,xuegang/gpdb,xinzweb/gpdb,CraigHarris/gpdb,arcivanov/postgres-xl,kaknikhil/gpdb,kmjungersen/PostgresXL,Postgres-XL/Postgres-XL,edespino/gpdb,xinzweb/gpdb,adam8157/gpdb,Postgres-XL/Postgres-XL,Postgres-XL/Postgres-XL,yuanzhao/gpdb,xuegang/gpdb,royc1/gpdb,janebeckman/gpdb,adam8157/gpdb,tangp3/gpdb,foyzur/gpdb,chrishajas/gpdb,snaga/postgres-xl,rubikloud/gpdb,rubikloud/gpdb,adam8157/gpdb,arcivanov/postgres-xl,atris/gpdb,janebeckman/gpdb,xuegang/gpdb,oberstet/postgres-xl,Quikling/gpdb,kaknikhil/gpdb,postmind-net/postgres-xl,ashwinstar/gpdb,snaga/postgres-xl,postmind-net/postgres-xl,tpostgres-projects/tPostgres,tangp3/gpdb,royc1/gpdb,zaksoup/gpdb,yuanzhao/gpdb,rubikloud/gpdb,Quikling/gpdb,chrishajas/gpdb,rvs/gpdb,kaknikhil/gpdb,50wu/gpdb,CraigHarris/gpdb,ahachete/gpdb,pavanvd/postgres-xl,techdragon/Postgres-XL,yuanzhao/gpdb,lisakowen/gpdb,Chibin/gpdb,tangp3/gpdb,xuegang/gpdb,lintzc/gpdb,Quikling/gpdb,cjcjameson/gpdb,edespino/gpdb,ashwinstar/gpdb,50wu/gpdb,greenplum-db/gpdb,janebeckman/gpdb,xinzweb/gpdb,cjcjameson/gpdb,xinzweb/gpdb,lintzc/gpdb,rubikloud/gpdb,tangp3/gpdb,0x0FFF/gpdb,jmcatamney/gpdb,50wu/gpdb,edespino/gpdb,Postgres-XL/Postgres-XL,atris/gpdb,randomtask1155/gpdb,0x0FFF/gpdb,ahachete/gpdb,adam8157/gpdb,rvs/gpdb,randomtask1155/gpdb,foyzur/gpdb,atris/gpdb,arcivanov/postgres-xl,ahachete/gpdb,foyzur/gpdb,lisakowen/gpdb,ahachete/gpdb,edespino/gpdb,rubikloud/gpdb