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[Bug symtab/18195] New: provide better error messages for symbols that have been gc'd by the linker


https://sourceware.org/bugzilla/show_bug.cgi?id=18195

            Bug ID: 18195
           Summary: provide better error messages for symbols that have
                    been gc'd by the linker
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: symtab
          Assignee: unassigned at sourceware dot org
          Reporter: dje at google dot com

If a function (or any other object) get's gc'd by the linker (and e.g. gets
address zero), there can still be enough info in the debug info to give a
useful error message to the user that that is what happened beyond things like
"Cannot evaluate function -- may be inlined".

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