[Bug tree-optimization/45260] New: g++4.5: -prefetch-loop-arrays internal compiler error: in verify_expr, at tree-cfg.c:2541

["edwintorok at gmail dot com" <gcc-bugzilla@gcc.gnu.org>]

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See https://wwws.clamav.net/bugzilla/show_bug.cgi?id=2190

$ g++-4.5 -fprefetch-loop-arrays TargetLowering.ii -c -O2
../../../../clamav-devel/libclamav/c++/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp:
In member function ‘void llvm::TargetLowering::computeRegisterProperties()’:
../../../../clamav-devel/libclamav/c++/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp:608:6:
internal compiler error: in verify_expr, at tree-cfg.c:2541
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-4.5/README.Bugs> for instructions.

g++-4.4 works:
$ g++-4.4 -fprefetch-loop-arrays TargetLowering.ii -c -O2

$ g++-4.5 -v
Using built-in specs.
COLLECT_GCC=/usr/bin/g++-4.5
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.5.1/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 4.5.1-1'
--with-bugurl=file:///usr/share/doc/gcc-4.5/README.Bugs
--enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --enable-shared
--enable-multiarch --enable-linker-build-id --with-system-zlib
--libexecdir=/usr/lib --without-included-gettext --enable-threads=posix
--with-gxx-include-dir=/usr/include/c++/4.5 --program-suffix=-4.5 --enable-nls
--enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes
--enable-plugin --enable-gold --with-plugin-ld=ld.gold --enable-objc-gc
--with-arch-32=i586 --with-tune=generic --enable-checking=yes
--build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 4.5.1 (Debian 4.5.1-1)


-- 
           Summary: g++4.5: -prefetch-loop-arrays internal compiler error:
                    in verify_expr, at tree-cfg.c:2541
           Product: gcc
           Version: 4.5.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: edwintorok at gmail dot com
 GCC build triplet: x86_64-linux-gnu
  GCC host triplet: x86_64-linux-gnu
GCC target triplet: x86_64-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45260