2 days old trunk fails on CVS CP2K [see PR29975] with gfortran -c -v -O2 -ffast-math -funroll-loops -ftree-vectorize -march=native -ffree-form -D__GFORTRAN -D__FFTSG -D__COMPILE_ARCH="\"Linux-x86-64-gfortran\"" -D__COMPILE_DATE="\"Mon Apr 28 14:33:23 CEST 2008\"" -D__COMPILE_HOST="\"pcihopt3\"" -D__COMPILE_LASTCVS="\"/termination.F/1.32/Mon Apr 28 07:20:29 2008//\"" /data03/vondele/clean/cp2k/src/../src/hfx_libint_interface.F Using built-in specs. Target: x86_64-unknown-linux-gnu Configured with: /data03/vondele/gcc_trunk/gcc/configure --prefix=/data03/vondele/gcc_trunk/build --with-gmp=/data03/vondele/ --with-mpfr=/data03/vondele/ --enable-languages=c,fortran Thread model: posix gcc version 4.4.0 20080426 (experimental) [trunk revision 134695] (GCC) COLLECT_GCC_OPTIONS='-c' '-v' '-O2' '-ffast-math' '-funroll-loops' '-ftree-vectorize' '-ffree-form' '-D__GFORTRAN' '-D__FFTSG' '-D__COMPILE_ARCH="Linux-x86-64-gfortran"' '-D__COMPILE_DATE="Mon Apr 28 14:33:23 CEST 2008"' '-D__COMPILE_HOST="pcihopt3"' '-D__COMPILE_LASTCVS="/termination.F/1.32/Mon Apr 28 07:20:29 2008//"' /data03/vondele/gcc_trunk/build/libexec/gcc/x86_64-unknown-linux-gnu/4.4.0/cc1 -E -lang-fortran -traditional-cpp -D_LANGUAGE_FORTRAN -quiet -v -D__GFORTRAN -D__FFTSG -D__COMPILE_ARCH="Linux-x86-64-gfortran" -D__COMPILE_DATE="Mon Apr 28 14:33:23 CEST 2008" -D__COMPILE_HOST="pcihopt3" -D__COMPILE_LASTCVS="/termination.F/1.32/Mon Apr 28 07:20:29 2008//" /data03/vondele/clean/cp2k/src/../src/hfx_libint_interface.F -march=k8-sse3 -mcx16 -msahf --param l1-cache-size=64 --param l1-cache-line-size=64 --param l2-cache-size=1024 -mtune=k8 -ffast-math -funroll-loops -ftree-vectorize -ffree-form -O2 -o /tmp/ccxHLZQc.f ignoring nonexistent directory "/data03/vondele/gcc_trunk/build/lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../x86_64-unknown-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/local/include /data03/vondele/gcc_trunk/build/include /data03/vondele/gcc_trunk/build/lib/gcc/x86_64-unknown-linux-gnu/4.4.0/include /data03/vondele/gcc_trunk/build/lib/gcc/x86_64-unknown-linux-gnu/4.4.0/include-fixed /usr/include End of search list. COLLECT_GCC_OPTIONS='-c' '-v' '-O2' '-ffast-math' '-funroll-loops' '-ftree-vectorize' '-ffree-form' '-D__GFORTRAN' '-D__FFTSG' '-D__COMPILE_ARCH="Linux-x86-64-gfortran"' '-D__COMPILE_DATE="Mon Apr 28 14:33:23 CEST 2008"' '-D__COMPILE_HOST="pcihopt3"' '-D__COMPILE_LASTCVS="/termination.F/1.32/Mon Apr 28 07:20:29 2008//"' /data03/vondele/gcc_trunk/build/libexec/gcc/x86_64-unknown-linux-gnu/4.4.0/f951 /tmp/ccxHLZQc.f -march=k8-sse3 -mcx16 -msahf --param l1-cache-size=64 --param l1-cache-line-size=64 --param l2-cache-size=1024 -mtune=k8 -quiet -dumpbase hfx_libint_interface.F -auxbase hfx_libint_interface -O2 -version -ffast-math -funroll-loops -ftree-vectorize -ffree-form -fpreprocessed -fintrinsic-modules-path /data03/vondele/gcc_trunk/build/lib/gcc/x86_64-unknown-linux-gnu/4.4.0/finclude -o /tmp/ccwowsgg.s GNU Fortran (GCC) version 4.4.0 20080426 (experimental) [trunk revision 134695] (x86_64-unknown-linux-gnu) compiled by GNU C version 4.4.0 20080426 (experimental) [trunk revision 134695], GMP version 4.2.1, MPFR version 2.2.1. GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 /data03/vondele/clean/cp2k/src/../src/hfx_libint_interface.F: In function ‘evaluate_eri_screen’: /data03/vondele/clean/cp2k/src/../src/hfx_libint_interface.F:41: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See for instructions. I'll see if can get more info. gfortran should really have an option to generate a single 'preprocessed' file, without module dependencies. It would simplify test case generation. -- Summary: [4.4 Regression] segmentation fault Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: jv244 at cam dot ac dot uk http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36071