[Bug ld/13569] New: Linker garbage collection retains debug information which leads to GDB bus errors

[nickc at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13569

             Bug #: 13569
           Summary: Linker garbage collection retains debug information
                    which leads to GDB bus errors
           Product: binutils
           Version: 2.23 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
        AssignedTo: unassig...@sourceware.org
        ReportedBy: ni...@redhat.com
    Classification: Unclassified


As reported here:

http://sourceware.org/ml/binutils/2011-11/msg00223.html

and here:

http://sourceware.org/ml/binutils/2012-01/msg00047.html

When linker garbage collection removes a section it does not remove the debug
information associated with that section.  This leaves the resulting executable
containing bogus debug information, which can then be used to trigger a SIGBUS
fault in GDB:

http://sourceware.org/bugzilla/show_bug.cgi?id=13568

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