------- Comment #2 from davek at gcc dot gnu dot org 2009-09-19 09:33 -------
This is where the subsequently-undefined reference is being generated:
Will ignore next 72 crossings of breakpoint 1. Continuing.
Hardware watchpoint 1: {<data variable, no debug info>} 14169456
Old value = 73
New value = 74
0x004c5fe2 in mem_loc_descriptor ()
(gdb) bt
#0 0x004c5fe2 in mem_loc_descriptor ()
#1 0x004c6926 in loc_descriptor ()
#2 0x004c9e43 in add_location_or_const_value_attribute.clone.13 ()
#3 0x004caa5b in gen_variable_die ()
#4 0x004d250d in gen_decl_die ()
#5 0x004d726e in decls_for_scope ()
#6 0x004d3d05 in gen_subprogram_die ()
#7 0x004d27c0 in gen_decl_die ()
#8 0x0082586f in rest_of_handle_final ()
#9 0x00604685 in execute_one_pass ()
#10 0x006048ec in execute_pass_list ()
#11 0x006048ff in execute_pass_list ()
#12 0x006048ff in execute_pass_list ()
#13 0x007fbe60 in tree_rest_of_compilation ()
#14 0x0060774d in cgraph_expand_function ()
#15 0x00609861 in cgraph_finalize_compilation_unit ()
#16 0x0041f9db in c_write_global_declarations ()
#17 0x0063267c in toplev_main ()
#18 0x00496820 in main ()
(gdb)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41404
