[Bug gdb/21494] segfault in find_partial_die_in_comp_unit

[Bug gdb/21494] segfault in find_partial_die_in_comp_unit

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=21494

Tom Tromey <tromey at sourceware dot org> changed:

           What    |Removed                     |Added
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                 CC|                            |tromey at sourceware dot org

--- Comment #3 from Tom Tromey <tromey at sourceware dot org> ---
Is it still possible to create an executable with this flaw?
Or is the linker bug fixed and now it's gone?

The DWARF scanner is rewritten so I don't know if the original
problem occurs or not.

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[Bug gdb/21494] segfault in find_partial_die_in_comp_unit

[rguenth at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=21494

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Tom Tromey from comment #3)
> Is it still possible to create an executable with this flaw?
> Or is the linker bug fixed and now it's gone?
> 
> The DWARF scanner is rewritten so I don't know if the original
> problem occurs or not.

The linker bug was meanwhile fixed.  Unfortunately I didn't save any of the
broken executables - the referenced bug says libstdc++ tests were broken,
but as far as I remember every executable compiled with -g -flto
-Wl,--gc-sections was broken due to stripped relocations.  It might be possible
to dig out an old BFD ld and create an affected executable that way (plus old
gdb
to check if the segfault was reproducible).

Not sure if worth - feel free to close the bug instead.

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