http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51601

             Bug #: 51601
           Summary: ice in verify_live_on_entry
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: dcb...@hotmail.com


Created attachment 26121
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26121
gzipped C++ source code

I just tried to compile the package drumstick-0.5.0-1
on latest trunk dated 20111216 on an AMD x86_64 box.

The compiler said

dotLength_28 is defined  in BB6, by:
dotLength_28 = PHI <dotLength_38(5), dotLength_41(6)>

It is also live-on-entry to entry BB 2 So it appears to have multiple defs.
/home/dcb/rpmbuild/BUILD/drumstick-0.5.0/library/src/qove.cpp: In member
function 'int OVE::NoteContainer::getDuration() const':
/home/dcb/rpmbuild/BUILD/drumstick-0.5.0/library/src/qove.cpp:4580:5: internal
compiler error: in verify_live_on_entry, at tree-ssa-live.c:1444
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Preprocessed source code attached. Flag -O3 required.

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