http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48574
--- Comment #13 from vincenzo Innocente <vincenzo.innocente at cern dot ch> 2011-05-04 10:00:02 UTC --- is this really fixed? with gcc version 4.6.1 20110422 (prerelease) (GCC) the reduced test do compile but I still get g++ -c produceICE.ii -std=c++0x -Wall -mavx In file included from /data/CMSSW_4_2_0_pre6/src/CommonTools/RecoAlgos/plugins/EtaPtMinGsfElectronFullCloneSelector.cc:16:0: /data/CMSSW_4_2_0_pre6/src/CommonTools/RecoAlgos/interface/GsfElectronSelector.h: In member function 'void helper::GsfElectronCollectionStoreManager::cloneAndStore(const I&, const I&, edm::Event&)': /data/CMSSW_4_2_0_pre6/src/CommonTools/RecoAlgos/interface/GsfElectronSelector.h:54:36: internal compiler error: Segmentation fault Please submit a full bug report,