[PATCH 3/3] libdw: Handle DW_OP_GNU_variable_value.

[Mark Wielaard]

On Sun, 2017-11-05 at 00:31 +0100, Mark Wielaard wrote:
> Handle DW_OP_GNU_variable_value in dwarf_getlocation[_attr,_die].
> DW_OP_GNU_variable_value takes one argument a DIE reference that
> describes a value given by a location of const_value attribute.
> 
> To test handling of the new operand the varlocs test is adapted
> to print out all DIEs and attributes with expressions or location
> lists (the original varlocs test only prints out variables and
> arguments of function DIEs).

Pushed to master.