REMOVE_DIST_ARRAYS_FROM_IO: use isArrayRef

src/Transformations/ReplaceArraysInIO/replace_dist_arrays_in_io.cpp

@@ -136,8 +136,7 @@ static void replaceArrayRec(SgSymbol* arr, SgSymbol* replace_by, SgExpression* e
     if (!exp)
         return;
 
-    if (exp->variant() != STMT_STR && exp->symbol() && 
-        exp->symbol()->identifier() && 
+    if (isArrayRef(exp) && 
         strcmp(exp->symbol()->identifier(), arr->identifier()) == 0)
     {
         has_read |= from_read;