https://sourceware.org/bugzilla/show_bug.cgi?id=21074
--- Comment #10 from Cary Coutant <ccoutant at gmail dot com> ---
I had a theory about how to make this happen; it's similar to a problem I ran
into with _GLOBAL_OFFSET_TABLE_ just last month. But no luck so far making it
happen with __bss_start.
Is is possible that you're using a version of gold without the following
commit? (This was backported to 2.28.)
commit 40d7d93ff412f4c34cde3daa04890d5cd2e0d9c9
Author: Cary Coutant <ccout...@gmail.com>
Date: Wed Dec 21 17:32:39 2016 -0800
Fix problem where version script causes predefined hidden symbol to be
defined twice.
When creating a predefined hidden symbol like _GLOBAL_OFFSET_TABLE_, gold
was incorrectly letting a version script add a version to the symbol,
resulting in two copies of the symbol, both STB_LOCAL, but one of which
was grouped in the globals part of the symbol table.
gold/
* symtab.cc (Symbol_table::define_special_symbol): Add
is_forced_local
parameter; if set, do not check version script.
(Symbol_table::do_define_in_output_data): Pass is_forced_local for
STB_LOCAL predefined symbols.
(Symbol_table::do_define_in_output_segment): Likewise.
(Symbol_table::do_define_in_output_segment): Likewise.
(Symbol_table::do_define_as_constant): Likewise.
* symtab.h (Symbol_table::define_special_symbol): Add
is_forced_local
parameter. Adjust all callers.
* testsuite/Makefile.am (ver_test_8.sh): New test case.
* testsuite/Makefile.in: Regenerate.
* ver_test_8.sh: New test script.
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