errael commented on a change in pull request #2126:
URL: https://github.com/apache/netbeans/pull/2126#discussion_r419178065



##########
File path: 
java/java.source.base/src/org/netbeans/modules/java/source/save/CasualDiff.java
##########
@@ -535,8 +535,18 @@ public int endPos(JCTree t) {
             VariableTree vt = fgt.getVariables().get(fgt.getVariables().size() 
- 1);
             return TreeInfo.getEndPos((JCTree)vt, oldTopLevel.endPositions);
         }
-        return TreeInfo.getEndPos(t, oldTopLevel.endPositions);
+        int endPos = TreeInfo.getEndPos(t, oldTopLevel.endPositions);
+
+        // [NETBEANS-4299], catch a synthetic annotation attribute and try rhs
+        if (endPos == Position.NOPOS && t instanceof JCAssign) {
+            JCAssign assign = (JCAssign)t;
+            if (assign.lhs instanceof JCIdent
+                    && ((JCIdent)assign.lhs).sym instanceof 
Symbol.MethodSymbol) {

Review comment:
       Simplified. Since first check is NOPOS, probably doesn't matter how much 
stuff is done; but I like simple. My manual tests passed.
   
   Do you believe this is safe for 12.0? There's that milestone thingy... 
And/or might add @ebarboni as reviewer.




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