[Bug tree-optimization/58472] gomp4: ICE in in vectorizable_store, at tree-vect-stmts.c:4192

["vincenzo.innocente at cern dot ch" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58472

--- Comment #3 from vincenzo Innocente <vincenzo.innocente at cern dot ch> ---
on linux

 c++  -O2   -ftree-vectorizer-verbose=1 -S omp4red.cc -fopenmp
omp4red.cc:8:13: note: loop vectorized
omp4red.cc: In function 'float sumO1()':
omp4red.cc:4:7: internal compiler error: in vectorizable_store, at
tree-vect-stmts.c:4192
 float sumO1() {
       ^
0xdd070e vectorizable_store
    ../../gcc-gomp4/gcc/tree-vect-stmts.c:4192
0xdd0a7e vect_transform_stmt(gimple_statement_d*, gimple_stmt_iterator_d*,
bool*, _slp_tree*, _slp_instance*)
    ../../gcc-gomp4/gcc/tree-vect-stmts.c:5959
0xe958e3 vect_transform_loop(_loop_vec_info*)
    ../../gcc-gomp4/gcc/tree-vect-loop.c:5859
0xe9fed2 vectorize_loops()
    ../../gcc-gomp4/gcc/tree-vectorizer.c:368
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.

c++ -v
Using built-in specs.
COLLECT_GCC=c++
COLLECT_LTO_WRAPPER=/afs/cern.ch/user/i/innocent/w2/libexec/gcc/x86_64-unknown-linux-gnu/4.9.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../gcc-gomp4/configure
--prefix=/afs/cern.ch/user/i/innocent/w2 --enable-languages=c,c++,lto,fortran
-enable-gold=yes --enable-lto --with-build-config=bootstrap-lto
--with-gmp-lib=/usr/local/lib64 --with-mpfr-lib=/usr/local/lib64
-with-mpc-lib=/usr/local/lib64 --enable-cloog-backend=isl
--with-cloog=/usr/local --with-ppl-lib=/usr/local/lib64 CFLAGS='-O2
-ftree-vectorize -fPIC' -enable-libitm -disable-multilib -disable-werror
--disable-libsanitizer
Thread model: posix
gcc version 4.9.0 20130918 (experimental) [gomp-4_0-branch revision 202731]
(GCC)