[Bug tree-optimization/42591] missing constant evaluation for const union

[pinskia at gcc dot gnu dot org]

------- Comment #1 from pinskia at gcc dot gnu dot org  2010-01-03 07:22 -------
fold_const_aggregate_ref should handle it but maybe the CONSTRUCTOR does not
the field set. 


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42591