The example (attached below), when compiled by following gcc ------------------- $ gcc -v Using built-in specs. Target: i686-pc-linux-gnu Configured with: ../../../gcc-CVS-20050723/gcc-CVS-20050723/configure --host=i686-pc-linux-gnu --prefix=/usr/local/opt/gcc-4.1 --exec-prefix=/usr/local/opt/gcc-4.1 --sysconfdir=/etc --libdir=/usr/local/opt/gcc-4.1/lib --libexecdir=/usr/local/opt/gcc-4.1/libexec --sharedstatedir=/var --localstatedir=/var --program-suffix=-4.1 --with-x-includes=/usr/X11R6/include --with-x-libraries=/usr/X11R6/lib --enable-shared --enable-static --with-gnu-as --with-gnu-ld --with-stabs --enable-threads=posix --enable-version-specific-runtime-libs --disable-coverage --disable-libgcj --disable-checking --enable-multilib --with-x --enable-cmath --enable-libstdcxx-debug --enable-fast-character --enable-hash-synchronization --with-system-zlib --with-libbanshee --with-demangler-in-ld --with-arch=athlon-xp --enable-libada --enable-languages=c,c++,f95,objc,ada Thread model: posix gcc version 4.1.0 20050723 (experimental) ---------------------
with --------------------- gcc -O1 -ftree-vectorize -c -o envsubst-envsubst.o envsubst-envsubst.c --------------------- results in this: --------------------- envsubst.c: In function âfind_variablesâ: envsubst.c:234: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions. --------------------- Tested on both i686-pc-linux-gnu and x86_64-pc-linux-gnu with the same result. gcc version 4.0.1 20050630 (prerelease) seems to take it without problems. -- Summary: Segfault with -O1 -ftree-vectorize on 4.1.x Product: gcc Version: 4.1.0 Status: UNCONFIRMED Severity: critical Priority: P2 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: drab at kepler dot fjfi dot cvut dot cz CC: gcc-bugs at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23048
