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From: "xry111 at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/111315] libstdc++ stacktrace testsuite failures with
 --enable-default-pie
Date: Thu, 07 Sep 2023 10:34:51 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111315

Xi Ruoyao <xry111 at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |xry111 at gcc dot gnu.org

--- Comment #2 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
(In reply to Rimvydas (RJ) from comment #0)
> The GCC configured with --enable-default-pie gives:
>=20
>                 =3D=3D=3D libstdc++ tests =3D=3D=3D
>=20
> Running target unix
> FAIL: 19_diagnostics/stacktrace/entry.cc execution test
> FAIL: 19_diagnostics/stacktrace/stacktrace.cc execution test
>=20
> libstdc++-v3/testsuite/19_diagnostics/stacktrace/entry.cc:39: void
> test_members(): Assertion 'e1.source_line() =3D=3D (__LINE__ - 5)' failed.
> libstdc++-v3/testsuite/19_diagnostics/stacktrace/stacktrace.cc:132: void
> test_assign(): Assertion 's0.at(0).source_line() =3D=3D (__LINE__ - 4)' f=
ailed.
>=20
> In both cases source_line() methods return 0.
>=20
> Also, the -fno-pie option cannot be used when linking these tescases:
> /usr/bin/ld: /tmp/ccv2BTff.o: relocation R_X86_64_32 against symbol
> `_ZNSt16stacktrace_entry14_S_err_handlerEPvPKci' can not be used when mak=
ing
> a PIE object; recompile with -fPIE

You need to use both -no-pie and -fno-pie.  -fno-pie only tells the compiler
not to emit code for PIE, -no-pie tells the linker not to link the code for
PIE.=