In NativeString.js_concat in the case of single argument call target.concat(arg) to avoid allocating StringBuffer instance.
In NativeString.js_concat in the case of single argument call target.concat(arg) to avoid allocating StringBuffer instance.

lv7777/egit_test,rasmuserik/rhino,sainaen/rhino,tejassaoji/RhinoCoarseTainting,qhanam/rhino,Angelfirenze/rhino,Angelfirenze/rhino,swannodette/rhino,tntim96/rhino-jscover-repackaged,lv7777/egit_test,tejassaoji/RhinoCoarseTainting,tejassaoji/RhinoCoarseTainting,tejassaoji/RhinoCoarseTainting,Angelfirenze/rhino,rasmuserik/rhino,AlexTrotsenko/rhino,lv7777/egit_test,qhanam/rhino,ashwinrayaprolu1984/rhino,sam/htmlunit-rhino-fork,swannodette/rhino,InstantWebP2P/rhino-android,Pilarbrist/rhino,sam/htmlunit-rhino-fork,Angelfirenze/rhino,Pilarbrist/rhino,tntim96/htmlunit-rhino-fork,tejassaoji/RhinoCoarseTainting,jsdoc3/rhino,tejassaoji/RhinoCoarseTainting,swannodette/rhino,ashwinrayaprolu1984/rhino,AlexTrotsenko/rhino,AlexTrotsenko/rhino,jsdoc3/rhino,tuchida/rhino,sam/htmlunit-rhino-fork,AlexTrotsenko/rhino,qhanam/rhino,Pilarbrist/rhino,tntim96/rhino-apigee,swannodette/rhino,sainaen/rhino,swannodette/rhino,AlexTrotsenko/rhino,tuchida/rhino,lv7777/egit_test,sam/htmlunit-rhino-fork,sainaen/rhino,ashwinrayaprolu1984/rhino,Pilarbrist/rhino,tntim96/rhino-apigee,Pilarbrist/rhino,sainaen/rhino,InstantWebP2P/rhino-android,qhanam/rhino,Distrotech/rhino,tntim96/rhino-jscover,Angelfirenze/rhino,tuchida/rhino,sam/htmlunit-rhino-fork,Pilarbrist/rhino,tntim96/rhino-jscover-repackaged,tntim96/rhino-jscover,ashwinrayaprolu1984/rhino,sainaen/rhino,tuchida/rhino,lv7777/egit_test,tuchida/rhino,tejassaoji/RhinoCoarseTainting,tuchida/rhino,sainaen/rhino,Angelfirenze/rhino,lv7777/egit_test,Pilarbrist/rhino,sam/htmlunit-rhino-fork,ashwinrayaprolu1984/rhino,tntim96/htmlunit-rhino-fork,ashwinrayaprolu1984/rhino,AlexTrotsenko/rhino,ashwinrayaprolu1984/rhino,tuchida/rhino,swannodette/rhino,sam/htmlunit-rhino-fork,lv7777/egit_test,jsdoc3/rhino,Distrotech/rhino,tntim96/rhino-apigee,AlexTrotsenko/rhino,sainaen/rhino,swannodette/rhino,Angelfirenze/rhino