adds misc (cont.)

tests/misc/add_assigns.i

tests/misc/bts0990_link.i

tests/misc/bts1347.i

tests/misc/cpp-extra-args-per-file1.c

tests/misc/global_decl_loc.i

tests/misc/log_twice.i

tests/misc/long_ident.c

tests/misc/mergestruct2.i

tests/misc/obfuscate.c

tests/misc/pragma-pack.c

tests/misc/visitor_creates_func_bts_1349.i

tests/pdg/sets.c