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From: "Martin.Jansa at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/29249] csu/libc-tls.c:202: undefined reference to
 `_startup_fatal_not_constant'
Date: Wed, 27 Jul 2022 11:23:18 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29249

Martin Jansa <Martin.Jansa at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |Martin.Jansa at gmail dot =
com

--- Comment #7 from Martin Jansa <Martin.Jansa at gmail dot com> ---
It's reproducible with -O1 and not reproducible with -O2 (or -O1 +
-fexpensive-optimizations):

objdump -x build-x86_64-oe-linux/csu/libc-tls.o | grep
_startup_fatal_not_constant

doesn't show the symbol at all with -fexpensive-optimizations, while with j=
ust
-O1:

objdump -x build-x86_64-oe-linux/csu/libc-tls.o.O1 | grep
_startup_fatal_not_constant
0000000000000000         *UND*  0000000000000000 _startup_fatal_not_constant
00000000000002bb R_X86_64_PLT32=20=20=20
_startup_fatal_not_constant-0x0000000000000004

--=20
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