https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124238
Bug ID: 124238
Summary: [16 Regression] LTO profiledboostrap fails with
unresolved symbol
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
Assignee: unassigned at gcc dot gnu.org
Reporter: rguenth at gcc dot gnu.org
Target Milestone: ---
In stagefeedback I see
[ 3253s] /usr/x86_64-suse-linux/bin/ld:
/home/abuild/rpmbuild/BUILD/gcc16-16.0.1+git7689-build/gcc-16.0.1+git7689/obj-x86_64-suse-linux/prev-x86_64-suse-linux/libstdc++-v3/src/.libs/libstdc++.a(ext11-inst.o):
in function `__gnu_cxx::stdio_filebuf<char, std::char_traits<char>
>::stdio_filebuf(int, std::_Ios_Openmode, unsigned long)':
[ 3253s]
/home/abuild/rpmbuild/BUILD/gcc16-16.0.1+git7689-build/gcc-16.0.1+git7689/obj-x86_64-suse-linux/x86_64-suse-linux/libstdc++-v3/include/ext/stdio_filebuf.h:141:(.text._ZN9__gnu_cxx13stdio_filebufIcSt11char_traitsIcEEC2EiSt13_Ios_Openmodem[_ZN9__gnu_cxx13stdio_filebufIcSt11char_traitsIcEEC5EiSt13_Ios_Openmodem]+0x31):
undefined reference to `vtable for __gnu_cxx::stdio_filebuf<char,
std::char_traits<char> >'
[ 3254s] collect2: error: ld returned 1 exit status
[ 3254s] make[3]: *** [../../gcc/cobol/Make-lang.in:278: cobol1] Error 1
configured/built with
[ 63s] + ../configure 'CFLAGS= -O2 -funwind-tables
-fasynchronous-unwind-tables -fstack-clash-protection -Werror=return-type -g'
'CXXFLAGS= -O2 -funwind-tables -fasynchronous-unwind-tables
-fstack-clash-protection -Werror=return-type -g' 'XCFLAGS= -O2 -funwind-tables
-fasynchronous-unwind-tables -fstack-clash-protection -Werror=return-type -g'
'TCFLAGS= -O2 -funwind-tables -fasynchronous-unwind-tables
-fstack-clash-protection -Werror=return-type -g' 'GDCFLAGS= -O2 -funwind-tables
-fasynchronous-unwind-tables -fstack-clash-protection -g' --prefix=/usr
--infodir=/usr/share/info --mandir=/usr/share/man --libdir=/usr/lib64
--libexecdir=/usr/lib64
--enable-languages=c,c++,objc,fortran,obj-c++,ada,go,d,jit,rust,m2,cobol,algol68
--enable-offload-targets=nvptx-none,amdgcn-amdhsa, --enable-offload-defaulted
--without-cuda-driver --enable-host-shared --enable-checking=yes
--disable-werror --with-gxx-include-dir=/usr/include/c++/16
--with-libstdcxx-zoneinfo=/usr/share/zoneinfo --enable-ssp --disable-libssp
--disable-libvtv --enable-cet=auto --disable-libcc1 --enable-plugin
--with-bugurl=https://bugs.opensuse.org/ '--with-pkgversion=SUSE Linux'
--with-slibdir=/lib64 --with-system-zlib --enable-libstdcxx-allocator=new
--disable-libstdcxx-pch --enable-libphobos
--enable-version-specific-runtime-libs --with-gcc-major-version-only
--enable-linker-build-id --enable-linux-futex --enable-gnu-indirect-function
--program-suffix=-16 --without-system-libunwind --enable-multilib
--with-arch-32=x86-64 --with-tune=generic
--with-build-config=bootstrap-lto-lean --enable-link-serialization
--build=x86_64-suse-linux --host=x86_64-suse-linux
...
[ 66s] + setarch x86_64 -R make -Oline profiledbootstrap 'STAGE1_CFLAGS=-g
-O2' 'BOOT_CFLAGS=-O2 -Wall -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3
-fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables
-fstack-clash-protection -Werror=return-type -g' -j24
