[Bug c++/49912] New: ICE from -freorder-blocks-and-partition : verify_flow_info failed

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

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49912

           Summary: ICE from -freorder-blocks-and-partition :
                    verify_flow_info failed
           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 24870
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24870
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' '-Wall' '-O'
'-freorder-blocks-and-partition' '-mtune=generic' '-march=pentiumpro'
 /usr/local/libexec/gcc/i686-pc-linux-gnu/4.7.0/cc1plus -fpreprocessed elf.ii
-quiet -dumpbase elf.ii -mtune=generic -march=pentiumpro -auxbase elf -O -Wall
-version -freorder-blocks-and-partition -o /tmp/ccZ24I88.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
elf.cpp: In member function void ElfDynamic_Section::setValueForType(unsigned
int, ElfValue*):
elf.cpp:666:28: warning: deleting object of polymorphic class type ElfValue
which has non-virtual destructor might cause undefined behaviour
[-Wdelete-non-virtual-dtor]
elf.cpp: In destructor virtual ElfDynamic_Section::~ElfDynamic_Section():
elf.cpp:780:24: warning: deleting object of polymorphic class type ElfValue
which has non-virtual destructor might cause undefined behaviour
[-Wdelete-non-virtual-dtor]
In file included from elf.cpp:41:0:
elfxx.h: In member function virtual void Elf_Ehdr::serialize(std::ofstream&,
char, char):
elfxx.h:432:5: error: wrong number of branch edges after unconditional jump 17
elfxx.h:432:5: error: wrong number of branch edges after unconditional jump 16
elfxx.h:432:5: internal compiler error: verify_flow_info failed