rengolin/HPCC-Platform — comment on commit 07712c56f74ff7d009a25c2237e2b3e1bf221a45
File: ecl/hql/hqlgram.y line 2857
By ghalliday:

You can pass $1 as a second parameter to setExpr to save the extra call. (A more recent change so many productions don't use it.)