Avoid overwiting methods with same signature in JavaMembers method lookup.
Avoid overwiting methods with same signature in JavaMembers method lookup.

One class that triggers this bug is com.google.javascript.jscomp.JSSourceFile
from Google's closure-compiler project, which overrides static methods
of the parent class with a different return type.

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