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Re: gcc 4.0 generates location list without DW_AT_frame_base

0x000000000055c84d in add_location_or_const_value_attribute
(die=0x2a96205820,
   decl=0x2a961ad000, attr=DW_AT_location)
   at /export/gnu/src/gcc/gcc/gcc/dwarf2out.c:10108
10108         descr = loc_descriptor (NOTE_VAR_LOCATION
(node->var_loc_note),
(gdb) p *loc_list
$4 = {first = 0x0, last = 0x0, decl_id = 14047}
(gdb)


Oh, that's weird.
Wonder why we added it then.
anyway, just change
if (loc_list)
to
if (loc_list && loc_list->first)

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