[Bug c++/51731] New: code generation bug in negative indices in arrays on 64-bit targets

[m.hekkelman at cmbi dot ru.nl]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51731

             Bug #: 51731
           Summary: code generation bug in negative indices in arrays on
                    64-bit targets
    Classification: Unclassified
           Product: gcc
           Version: 4.6.1
            Status: UNCONFIRMED
          Severity: major
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: m.hekkelman@cmbi.ru.nl


Created attachment 26217
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26217
source file containing a fully self contained bug description

When compiling the attached code with -O3 the generated code is incorrect as
can be seen by the output of the program. The problem was introduced in gcc
4.5, earlier versions did not have this problem.