revert unrelated changes

Author: txiang61

src/checkers/inference/InferenceVisitor.java

@@ -664,9 +664,7 @@ public boolean maybeAddRefinementVariableConstraints(final AnnotatedTypeMirror v
                     logger.fine("InferenceVisitor::commonAssignmentCheck: Equality constraint for qualifiers sub: " + sub + " sup: " + sup);
 
                     // Equality between the refvar and the value
-                    if (sub != null) {
-                        constraintManager.addEqualityConstraint(sup, sub);
-                    }
+                    constraintManager.addEqualityConstraint(sup, sub);
 
                     // Refinement variable still needs to be a subtype of its declared type value
                     constraintManager.addSubtypeConstraint(sup,

src/checkers/inference/VariableAnnotator.java

@@ -1105,11 +1105,8 @@ private void annotateNewArray(AnnotatedTypeMirror type, Tree tree, int level, Tr
 
             // Create a variable from an ASTPath
             final TreePath pathToTree = inferenceTypeFactory.getPath(topLevelTree);
-            ASTRecord astRec = ASTPathUtil.getASTRecordForPath(inferenceTypeFactory, pathToTree);
-            if (astRec != null) {
-                astRec = astRec.newArrayLevel(level);
-                replaceOrCreateEquivalentVarAnno(type, tree, new AstPathLocation(astRec));
-            }
+            ASTRecord astRec = ASTPathUtil.getASTRecordForPath(inferenceTypeFactory, pathToTree).newArrayLevel(level);;
+            replaceOrCreateEquivalentVarAnno(type, tree, new AstPathLocation(astRec));
 
         } else if (!(tree.getKind() == Tree.Kind.NEW_ARRAY
                      || tree.getKind() == Tree.Kind.ARRAY_TYPE)) {