[Bug symtab/13307] New: Support DW_AT_location complex DWARFexpressions

["jan.kratochvil at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=13307

             Bug #: 13307
           Summary: Support DW_AT_location complex DWARF expressions
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: minor
          Priority: P2
         Component: symtab
        AssignedTo: unassigned@sourceware.org
        ReportedBy: jan.kratochvil@redhat.com
    Classification: Unclassified


See:
[patch#2] fetch result of locdesc expressions as integer (not address)
http://sourceware.org/ml/gdb-patches/2011-10/msg00225.html

where the complex DWARF expressions in DW_AT_location has been reverted as no
longer used by GCC.  But it was a nice code cleanup.

But the patch needs dynamic types - with attributes evaluated as DWARF
expressions - as contained in archer-jankratochvil-vla.  Postponed till that
time.

There is no known real world case where this feature is needed.  The patch
still was a GDB code cleanup.

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