"Change symbol in libs" build failure(s) — clang 2.9

Some differences in the list of symbol in the binary causes the Debian symbol check for ABI changes to fail.

For example, this has been reported with a test case in upstream bug: https://llvm.org/bugs/show_bug.cgi?id=30441 (fixed now)
or https://bugs.llvm.org/show_bug.cgi?id=45322
PackageVersionSupposed error messageFull log Bug report
attica 0.2.0-1dh_makeshlibs: dpkg-gensymbols -plibattica0 -Idebian/libattica0.symbols -Pdebian/libattica0 returned exit code 1 Log
chasen 2.4.4-15dh_makeshlibs: dpkg-gensymbols -plibchasen2 -Idebian/libchasen2.symbols -Pdebian/libchasen2 returned exit code 1 Log
clthreads 2.4.0-3dh_makeshlibs: dpkg-gensymbols -plibclthreads2 -Idebian/libclthreads2.symbols.amd64 -Pdebian/libclthreads2 returned exit code 1 Log
clxclient 3.6.1-3dh_makeshlibs: dpkg-gensymbols -plibclxclient3 -Idebian/libclxclient3.symbols.amd64 -Pdebian/libclxclient3 returned exit code 1 Log
game-music-emu 0.5.5-2dh_makeshlibs: dpkg-gensymbols -plibgme0 -Idebian/libgme0.symbols -Pdebian/libgme0 -c4 returned exit code 2 Log
gexiv2 0.2.2-5dh_makeshlibs: dpkg-gensymbols -plibgexiv2-0 -Idebian/libgexiv2-0.symbols.amd64 -Pdebian/libgexiv2-0 returned exit code 1 Log
libaqbanking 5.0.14-2dh_makeshlibs: dpkg-gensymbols -plibaqbanking33 -Idebian/libaqbanking33.symbols -Pdebian/libaqbanking33 returned exit code 2 Log
libdbusmenu-qt 0.9.0-1dh_makeshlibs: dpkg-gensymbols -plibdbusmenu-qt2 -Idebian/libdbusmenu-qt2.symbols -Pdebian/libdbusmenu-qt2 returned exit code 1 Log
libktorrent 1.1.2-1dh_makeshlibs: dpkg-gensymbols -plibktorrent3 -Idebian/libktorrent3.symbols -Pdebian/libktorrent3 returned exit code 1 Log
libraw 0.13.8-1dh_makeshlibs: dpkg-gensymbols -plibraw2 -Idebian/libraw2.symbols.amd64 -Pdebian/libraw2 returned exit code 1 Log
strigi 0.7.2-1dh_makeshlibs: dpkg-gensymbols -plibsearchclient0 -Idebian/libsearchclient0.symbols.amd64 -Pdebian/libsearchclient0 returned exit code 1 Log
webkitkde 0.9.6svn1180498-2dh_makeshlibs: dpkg-gensymbols -plibkwebkit1 -Idebian/libkwebkit1.symbols -Pdebian/libkwebkit1 returned exit code 1 Log

12 errors