ddl/ddl_db_test: locate errors occurred in goroutine (#2443)
ddl/ddl_db_test: locate errors occurred in goroutine (#2443)


XuHuaiyu/tidb,yangwenmai/tidb,c4pt0r/tidb,pingcap/tidb,JinheLin/tidb,c4pt0r/tidb,mccxj/tidb,anywhy/tidb,ngaut/tidb,ming-relax/tidb,astaxie/tidb,kyle-wang/tidb,JinheLin/tidb,pingcap/tidb,kyle-wang/tidb,yangwenmai/tidb,zimulala/tidb,ming-relax/tidb,c4pt0r/tidb,zs634134578/tidb,spongedu/tidb,pingcap/tidb,andelf/tidb,qhsong/tidb,gaocegege/tidb,c4pt0r/tidb,8cbx/tidb,simon-xia/tidb,tiancaiamao/tidb,wusphinx/tidb,gaocegege/tidb,coocood/tidb,pingcap/tidb,kyle-wang/tidb,Nify/tidb,liyu4/tidb,yuanwhy/tidb,silenceper/tidb,Nify/tidb,louishust/tidb,ngaut/tidb,ueizhou/tidb,zs634134578/tidb,kyle-wang/tidb,kyle-wang/tidb,spongedu/tidb,XuHuaiyu/tidb,coocood/tidb,ueizhou/tidb,anywhy/tidb,qiuyesuifeng/tidb,silentred/tidb,qiuyesuifeng/tidb,EvilMcJerkface/tidb,CodeRushing/tidb,CodeRushing/tidb,yuanwhy/tidb,tiancaiamao/tidb,c4pt0r/tidb,astaxie/tidb,cosmtrek/tidb,kyle-wang/tidb,pingcap/tidb,myrice/tidb,ngaut/tidb,ngaut/tidb,liyu4/tidb,EvilMcJerkface/tidb,c4pt0r/tidb,qhsong/tidb,ngaut/tidb,8cbx/tidb,Cofyc/tidb,wusphinx/tidb,ngaut/tidb,andelf/tidb,pingcap/tidb,silenceper/tidb,zimulala/tidb,simon-xia/tidb,louishust/tidb,cosmtrek/tidb,mccxj/tidb,Cofyc/tidb,silentred/tidb,myrice/tidb