[Bug general/27367] readelf: invalid loclists data with -ffat-lto-objects

[mark at klomp dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=27367

--- Comment #6 from Mark Wielaard <mark at klomp dot org> ---
The problem with fixing this in general is that an ELF file can contain
different sets of .debug sections that form a consistent DWARF. This can be the
.debug_* sections, the .debug_* sections in a particular comdat group (you can
get those using the inscngrp bool), the set of .debug_*_dwo sections (for split
dwarf).

A generic solution would introduce some selector method to create a Dwarf for
just one specific group of sections. I don't yet know how that would look like.
And it would require callers to be explicit about which one they want.

A workaround for now might be to create an ordering and pick just one set, so
no cross/incompatible sets of sections is selected to form one Dwarf.

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