http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43622
--- Comment #9 from Steve Ward <planet36 at gmail dot com> 2011-04-14 15:56:12 UTC --- Created attachment 23982 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23982 This test-case shows how typeinfo for non-complex 128-bit types DOES NOT work, but typeinfo for complex 128-bit types DOES work. $ g++-4.5 --version g++-4.5 (Ubuntu/Linaro 4.5.1-7ubuntu2) 4.5.1 Copyright (C) 2010 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. $ uname --all Linux dev8 2.6.35-28-generic #50-Ubuntu SMP Fri Mar 18 18:42:20 UTC 2011 x86_64 GNU/Linux $ g++-4.5 gcc_bug_43622.cpp && ./a.out complex_int128 = Cn complex_uint128 = Co complex_binary128 = Cg