> gdb vm/test/runner                                                         ~/code/cpp
GNU gdb 6.3.50-20050815 (Apple version gdb-768) (Tue Oct  2 04:07:49 UTC 2007)
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This GDB was configured as "i386-apple-darwin"...Reading symbols for shared libraries .... done

(gdb) b test_instructions.hpp:1274
No line 1274 in file "test_instructions.hpp".
(gdb) b vm/test/test_instructions.hpp:1274
No source file named vm/test/test_instructions.hpp.
Make breakpoint pending on future shared library load? (y or [n]) n
(gdb)