HIST_FIELD_FL_CONST
else if (field->flags & HIST_FIELD_FL_CONST) {
if (flags & HIST_FIELD_FL_CONST) {
*flags |= HIST_FIELD_FL_CONST;
combine_consts = operand_flags & operand2_flags & HIST_FIELD_FL_CONST;
flags |= combine_consts ? HIST_FIELD_FL_CONST : HIST_FIELD_FL_EXPR;
operand2_flags & HIST_FIELD_FL_CONST) {
else if (flags & HIST_FIELD_FL_CONST)
if (field->flags & HIST_FIELD_FL_CONST)
else if (hist_field->flags & HIST_FIELD_FL_CONST)