util/types: cleanup error.Trace (#3113)
util/types: cleanup error.Trace (#3113)


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