[Bug c++/49913] New: ICE from -O2 -fgraphite-identity : extract_range_from_binary_expr, at tree-vrp.c:2318

["b3timmons at speedymail dot org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49913

           Summary: ICE from -O2 -fgraphite-identity :
                    extract_range_from_binary_expr, at tree-vrp.c:2318
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: b3timmons@speedymail.org
              Host: i686-pc-linux-gnu
            Target: i686-pc-linux-gnu
             Build: i686-pc-linux-gnu


Created attachment 24871
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24871
preprocessed source compressed with bzip2

Using built-in specs.
COLLECT_GCC=/usr/local/bin/gcc
COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/i686-pc-linux-gnu/4.7.0/lto-wrapper
Target: i686-pc-linux-gnu
Configured with: ../gcc/configure --enable-languages=c,c++
--enable-__cxa_atexit --enable-cloog-backend=ppl --with-cloog=/usr/local
Thread model: posix
gcc version 4.7.0 20110729 (experimental) (GCC)
COLLECT_GCC_OPTIONS='-v' '-B' '.' '-r' '-nostdlib' '-c' '-Wno-invalid-offsetof'
'-Wall' '-O2' '-fgraphite-identity' '-o'
'/home/b3po/.ccache/0/e/956098775a73252aeb52acf90004db-981039.o.tmp.goof.5408'
'-mtune=generic' '-march=pentiumpro'
 /usr/local/libexec/gcc/i686-pc-linux-gnu/4.7.0/cc1plus -fpreprocessed
jsclone.ii -quiet -dumpbase jsclone.ii -mtune=generic -march=pentiumpro
-auxbase-strip
/home/b3po/.ccache/0/e/956098775a73252aeb52acf90004db-981039.o.tmp.goof.5408
-O2 -Wno-invalid-offsetof -Wall -version -fgraphite-identity -o /tmp/ccqnkwUY.s
GNU C++ (GCC) version 4.7.0 20110729 (experimental) (i686-pc-linux-gnu)
        compiled by GNU C version 4.7.0 20110729 (experimental), GMP version
5.0.1, MPFR version 3.0.1, MPC version 0.9
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU C++ (GCC) version 4.7.0 20110729 (experimental) (i686-pc-linux-gnu)
        compiled by GNU C version 4.7.0 20110729 (experimental), GMP version
5.0.1, MPFR version 3.0.1, MPC version 0.9
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: ba0648b8eea6bd4be4f484a576bf2c59
jsclone.cpp: In function bool js::WriteStructuredClone(JSContext*, const
js::Value&, uint64**, size_t*, const JSStructuredCloneCallbacks*, void*):
jsclone.cpp:52:1: internal compiler error: in extract_range_from_binary_expr,
at tree-vrp.c:2318