http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48574
Summary: ICE (regression w.r.t. 4.6.0) Product: gcc Version: 4.6.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassig...@gcc.gnu.org ReportedBy: vincenzo.innoce...@cern.ch Created attachment 23963 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23963 unfiltered source file (after preprocessor) requires -mavx to compile with data/newusr/bin/g++ -v Using built-in specs. COLLECT_GCC=/data/newusr/bin/g++ COLLECT_LTO_WRAPPER=/data/newusr/libexec/gcc/x86_64-unknown-linux-gnu/4.6.1/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ./configure --prefix=/data/newusr -enable-gold=yes --enable-lto --with-fpmath=avx --with-build-config=bootstrap-lto --with-gmp-lib=/usr/local/lib64 --with-mpfr-lib=/usr/local/lib64 -with-mpc-lib=/usr/local/lib64 Thread model: posix gcc version 4.6.1 20110408 (prerelease) (GCC) (and 20110401) I get /data/newusr/bin/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:49:60: internal compiler error: Segmentation fault This the first serious ICE I got compiling many 1000 of source units. It compiles fine with g++ -v Using built-in specs. COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=/build/460e/slc5_amd64_gcc460/external/gcc/4.6.0/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ../configure --prefix=/build/460e/slc5_amd64_gcc460/external/gcc/4.6.0 --enable-languages=c,c++,fortran --with-gmp=/build/460e/slc5_amd64_gcc460/external/gcc/4.6.0 --with-mpfr=/build/460e/slc5_amd64_gcc460/external/gcc/4.6.0 --with-mpc=/build/460e/slc5_amd64_gcc460/external/gcc/4.6.0 --with-ppl=/build/460e/slc5_amd64_gcc460/external/gcc/4.6.0 --with-cloog=/build/460e/slc5_amd64_gcc460/external/gcc/4.6.0 --enable-cloog-backend=isl --enable-shared CC='gcc -fPIC' CXX='c++ -fPIC' Thread model: posix gcc version 4.6.0 (GCC)