Improve support for dwarf operators DW_OP_or, DW_OP_xor, DW_OP_plus, DW_OP_minus
Improve support for dwarf operators DW_OP_or, DW_OP_xor, DW_OP_plus, DW_OP_minus

stoyan-shopov/troll,stoyan-shopov/troll,stoyan-shopov/troll,stoyan-shopov/troll