https://sourceware.org/bugzilla/show_bug.cgi?id=29430
Matt Wozniski <godlygeek at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |NOTABUG
--- Comment #1 from Matt Wozniski <godlygeek at gmail dot com> ---
Well - nevermind. Our problem turned out not to be an issue with
`dwarf_getscopes` at all, but a bug in our unwinder that only occurred when
`dwarf_getscopes` finds 0 scopes. Our buggy code was working with elfutils
0.179 because `dwarf_getscopes` would erroneously return extra scopes due to
DIE trees being visited multiple times, and we'd ignore those scopes because
`dwarf_tag(scope) != DW_TAG_inlined_subroutine`, but our bug that triggers only
when 0 scopes are found wouldn't occur.
After `dwarf_getscopes` was fixed, it began returning 0 when it previously
hadn't, and our code failed to properly handle that case in a way that had
never been noticed.
Sorry for the false alarm!
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