https://sourceware.org/bugzilla/show_bug.cgi?id=32846

--- Comment #7 from Michael Matz <matz at suse dot de> ---
Ultimately first_hash was introduced for what really is a bug in the compiler
(pr31482, where the LTO .o files don't contain a reference to abort in their
symbol table).  Introducing that doesn't completely work around the compiler
bug (my previous comment), but caused the bug I fixed with commit 2707d55e
(where
no compiler problem is involved).  That in turn caused the bug reported here
(also without compiler bug involvment).

So, one course of action would be to revert the whole first_hash introduction
to be in 2.43 state and instead fix the compiler bug.  But maybe we can
salvage some pieces, so I think we needn't do that yet.

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