------- Comment #9 from jakub at gcc dot gnu dot org 2010-01-28 22:07 ------- The theoretical example is libstdc++ defining some object where things misbehave if it is not the only one (say foo) and some other library has that object as well. When that other library isn't an direct or indirect dependency of the executable, but libstdc++ is, in all libraries loaded before start of the program foo resolves to the libstdc++ copy. When you dlopen RTLD_DEEPBIND this other library, foo in it and all its dependencies will resolve to the other library, as it comes earlier in the search scope, before global scope. I guess LD_DEBUG=all could shed some light into what exactly is going on, it could be the empty string, or something similar.
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42679
