This testcase allows us to test the proper processing of both
DW_AT_data_location and DW_OP_push_object_address using a hand-crafted
testcase duplicating how we expect the Ada compiler to represent
unbounded arrays.
gdb/testsuite/ChangeLog:
* gdb.dwarf2/data-loc.c, gdb.dwarf2/data-loc.exp: New files.