https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102067
--- Comment #15 from Matt Godbolt <matt at godbolt dot org> ---
> Can you please try reproducing it locally with the 2 pre-processed file.
I'm not sure how to: if I don't have all the object files available in my link
line I get missing symbol errors before any lto1 invocation. Any ideas?
> And can you please share the full linker command line (I posted only the lto1
> invocation).
The two files I posted were placed into a library with other files with the
command:
```
"/home/mgodbolt/dev/wave/cmake-build-release/env/bin/x86_64-conda_cos6-linux-gnu-gcc-ar"
cr src/wave/common/libwave_common.a
src/wave/common/CMakeFiles/wave_common.dir/App.cpp.o
src/wave/common/CMakeFiles/wave_common.dir/Endpoint.cpp.o
src/wave/common/CMakeFiles/wave_common.dir/LineReader.cpp.o
src/wave/common/CMakeFiles/wave_common.dir/NodeMerger.cpp.o
src/wave/common/CMakeFiles/wave_common.dir/ParseTimestamp.cpp.o
src/wave/common/CMakeFiles/wave_common.dir/Price.cpp.o
src/wave/common/CMakeFiles/wave_common.dir/Sentry.cpp.o
src/wave/common/CMakeFiles/wave_common.dir/TempDirectory.cpp.o
src/wave/common/CMakeFiles/wave_common.dir/parse_byte_size.cpp.o &&
"/home/mgodbolt/dev/wave/cmake-build-release/env/bin/x86_64-conda_cos6-linux-gnu-gcc-ranlib"
src/wave/common/libwave_common.a
```
The full link command we called that internally called lto1 and exhibits the
issue is:
```
/home/mgodbolt/dev/tradewinds/cmake-build-sanitize/env/bin/x86_64-conda_cos6-linux-gnu-g++
src/binaries/gap_report/CMakeFiles/gap_report.dir/main.cpp.o -o
src/binaries/gap_report/gap_report
-L/home/mgodbolt/dev/tradewinds/cmake-build-sanitize/env/lib
-Wl,-rpath,/home/mgodbolt/dev/tradewinds/cmake-build-sanitize/env/lib:/home/mgodbolt/dev/tradewinds/cmake-build-sanitize/src/tradewinds:
src/tradewinds/libtradewinds.so env/lib/libwave_common.a -lwave -lfmt
env/lib/libwave.so -lstdc++fs -lsentry -lfmt
```
the `env/lib/libwave_common.a` referenced here is the A file, that as part of
its output calls lto1.
I ran that command with `-v` :
```
cy2-desktop-37:~/d/t/cmake-build-sanitize ((97)|✔) $
/home/mgodbolt/dev/tradewinds/cmake-build-sanitize/env/bin/x86_64-conda_cos6-linux-gnu-g++
-v src/binaries/gap_report/CMakeFiles/gap_report.dir/main.cpp.o -o
src/binaries/gap_report/gap_report
-L/home/mgodbolt/dev/tradewinds/cmake-build-sanitize/env/lib
-Wl,-rpath,/home/mgodbolt/dev/tradewinds/cmake-build-sanitize/env/lib:/home/mgodbolt/dev/tradewinds/cmake-build-sanitize/src/tradewinds:
src/tradewinds/libtradewinds.so env/lib/libwave_common.a -lwave -lfmt
env/lib/libwave.so -lstdc++fs -lsentry -lfmt
Reading specs from
/envy/tradewinds/38/e526c9ac3dd516/bin/../lib/gcc/x86_64-conda-linux-gnu/9.3.0/specs
COLLECT_GCC=/home/mgodbolt/dev/tradewinds/cmake-build-sanitize/env/bin/x86_64-conda_cos6-linux-gnu-g++
COLLECT_LTO_WRAPPER=/envy/tradewinds/38/e526c9ac3dd516/bin/../libexec/gcc/x86_64-conda-linux-gnu/9.3.0/lto-wrapper
Target: x86_64-conda-linux-gnu
Configured with:
/home/conda/feedstock_root/build_artifacts/ctng-compilers_1618239181388/work/.build/x86_64-conda-linux-gnu/src/gcc/configure
--build=x86_64-build_pc-linux-gnu --host=x86_64-build_pc-linux-gnu
--target=x86_64-conda-linux-gnu
--prefix=/home/conda/feedstock_root/build_artifacts/ctng-compilers_1618239181388/work/gcc_built
--with-sysroot=/home/conda/feedstock_root/build_artifacts/ctng-compilers_1618239181388/work/gcc_built/x86_64-conda-linux-gnu/sysroot
--enable-languages=c,c++,fortran,objc,obj-c++ --with-pkgversion='crosstool-NG
1.24.0.133_b0863d8_dirty' --enable-__cxa_atexit --disable-libmudflap
--enable-libgomp --disable-libssp --enable-libquadmath
--enable-libquadmath-support --enable-libsanitizer --enable-libmpx
--with-gmp=/home/conda/feedstock_root/build_artifacts/ctng-compilers_1618239181388/work/.build/x86_64-conda-linux-gnu/buildtools
--with-mpfr=/home/conda/feedstock_root/build_artifacts/ctng-compilers_1618239181388/work/.build/x86_64-conda-linux-gnu/buildtools
--with-mpc=/home/conda/feedstock_root/build_artifacts/ctng-compilers_1618239181388/work/.build/x86_64-conda-linux-gnu/buildtools
--with-isl=/home/conda/feedstock_root/build_artifacts/ctng-compilers_1618239181388/work/.build/x86_64-conda-linux-gnu/buildtools
--enable-lto --enable-threads=posix --enable-target-optspace --enable-plugin
--enable-gold --disable-nls --disable-multilib
--with-local-prefix=/home/conda/feedstock_root/build_artifacts/ctng-compilers_1618239181388/work/gcc_built/x86_64-conda-linux-gnu/sysroot
--enable-long-long --enable-default-pie
Thread model: posix
gcc version 9.3.0 (crosstool-NG 1.24.0.133_b0863d8_dirty)
COMPILER_PATH=/envy/tradewinds/38/e526c9ac3dd516/bin/../libexec/gcc/x86_64-conda-linux-gnu/9.3.0/:/envy/tradewinds/38/e526c9ac3dd516/bin/../libexec/gcc/:/envy/tradewinds/38/e526c9ac3dd516/bin/../lib/gcc/x86_64-conda-linux-gnu/9.3.0/../../../../x86_64-conda-linux-gnu/bin/
LIBRARY_PATH=/envy/tradewinds/38/e526c9ac3dd516/bin/../lib/gcc/x86_64-conda-linux-gnu/9.3.0/:/envy/tradewinds/38/e526c9ac3dd516/bin/../lib/gcc/:/envy/tradewinds/38/e526c9ac3dd516/bin/../lib/gcc/x86_64-conda-linux-gnu/9.3.0/../../../../x86_64-conda-linux-gnu/lib/../lib/:/envy/tradewinds/38/e526c9ac3dd516/bin/../x86_64-conda-linux-gnu/sysroot/lib/../lib/:/envy/tradewinds/38/e526c9ac3dd516/bin/../x86_64-conda-linux-gnu/sysroot/usr/lib/../lib/:/envy/tradewinds/38/e526c9ac3dd516/bin/../lib/gcc/x86_64-conda-linux-gnu/9.3.0/../../../../x86_64-conda-linux-gnu/lib/:/envy/tradewinds/38/e526c9ac3dd516/bin/../x86_64-conda-linux-gnu/sysroot/lib/:/envy/tradewinds/38/e526c9ac3dd516/bin/../x86_64-conda-linux-gnu/sysroot/usr/lib/
COLLECT_GCC_OPTIONS='-v' '-o' 'src/binaries/gap_report/gap_report'
'-L/home/mgodbolt/dev/tradewinds/cmake-build-sanitize/env/lib' '-shared-libgcc'
'-mtune=generic' '-march=x86-64'
/envy/tradewinds/38/e526c9ac3dd516/bin/../libexec/gcc/x86_64-conda-linux-gnu/9.3.0/collect2
-plugin
/envy/tradewinds/38/e526c9ac3dd516/bin/../libexec/gcc/x86_64-conda-linux-gnu/9.3.0/liblto_plugin.so
-plugin-opt=/envy/tradewinds/38/e526c9ac3dd516/bin/../libexec/gcc/x86_64-conda-linux-gnu/9.3.0/lto-wrapper
-plugin-opt=-fresolution=/tmp/ccXX2ZQe.res -plugin-opt=-pass-through=-lgcc_s
-plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lc
-plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lgcc
--sysroot=/envy/tradewinds/38/e526c9ac3dd516/bin/../x86_64-conda-linux-gnu/sysroot
--eh-frame-hdr -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 -pie
-o src/binaries/gap_report/gap_report
/envy/tradewinds/38/e526c9ac3dd516/bin/../x86_64-conda-linux-gnu/sysroot/usr/lib/../lib/Scrt1.o
/envy/tradewinds/38/e526c9ac3dd516/bin/../x86_64-conda-linux-gnu/sysroot/usr/lib/../lib/crti.o
/envy/tradewinds/38/e526c9ac3dd516/bin/../lib/gcc/x86_64-conda-linux-gnu/9.3.0/crtbeginS.o
-L/home/mgodbolt/dev/tradewinds/cmake-build-sanitize/env/lib
-L/envy/tradewinds/38/e526c9ac3dd516/bin/../lib/gcc/x86_64-conda-linux-gnu/9.3.0
-L/envy/tradewinds/38/e526c9ac3dd516/bin/../lib/gcc
-L/envy/tradewinds/38/e526c9ac3dd516/bin/../lib/gcc/x86_64-conda-linux-gnu/9.3.0/../../../../x86_64-conda-linux-gnu/lib/../lib
-L/envy/tradewinds/38/e526c9ac3dd516/bin/../x86_64-conda-linux-gnu/sysroot/lib/../lib
-L/envy/tradewinds/38/e526c9ac3dd516/bin/../x86_64-conda-linux-gnu/sysroot/usr/lib/../lib
-L/envy/tradewinds/38/e526c9ac3dd516/bin/../lib/gcc/x86_64-conda-linux-gnu/9.3.0/../../../../x86_64-conda-linux-gnu/lib
-L/envy/tradewinds/38/e526c9ac3dd516/bin/../x86_64-conda-linux-gnu/sysroot/lib
-L/envy/tradewinds/38/e526c9ac3dd516/bin/../x86_64-conda-linux-gnu/sysroot/usr/lib
-rpath /envy/tradewinds/38/e526c9ac3dd516/lib
src/binaries/gap_report/CMakeFiles/gap_report.dir/main.cpp.o -rpath
/home/mgodbolt/dev/tradewinds/cmake-build-sanitize/env/lib:/home/mgodbolt/dev/tradewinds/cmake-build-sanitize/src/tradewinds:
src/tradewinds/libtradewinds.so env/lib/libwave_common.a -lwave -lfmt
env/lib/libwave.so -lstdc++fs -lsentry -lfmt -lstdc++ -lm -lgcc_s -lgcc -lc
-lgcc_s -lgcc
/envy/tradewinds/38/e526c9ac3dd516/bin/../lib/gcc/x86_64-conda-linux-gnu/9.3.0/crtendS.o
/envy/tradewinds/38/e526c9ac3dd516/bin/../x86_64-conda-linux-gnu/sysroot/usr/lib/../lib/crtn.o
/envy/tradewinds/38/e526c9ac3dd516/bin/../libexec/gcc/x86_64-conda-linux-gnu/9.3.0/lto-wrapper
-fresolution=/tmp/ccXX2ZQe.res -flinker-output=pie
env/lib/libwave_common.a@0x4307c env/lib/libwave_common.a@0x180314c
/home/mgodbolt/dev/tradewinds/cmake-build-sanitize/env/bin/x86_64-conda_cos6-linux-gnu-g++
@/tmp/ccJMuHg7
Reading specs from
/envy/tradewinds/38/e526c9ac3dd516/bin/../lib/gcc/x86_64-conda-linux-gnu/9.3.0/specs
COLLECT_GCC=/home/mgodbolt/dev/tradewinds/cmake-build-sanitize/env/bin/x86_64-conda_cos6-linux-gnu-g++
Target: x86_64-conda-linux-gnu
Configured with:
/home/conda/feedstock_root/build_artifacts/ctng-compilers_1618239181388/work/.build/x86_64-conda-linux-gnu/src/gcc/configure
--build=x86_64-build_pc-linux-gnu --host=x86_64-build_pc-linux-gnu
--target=x86_64-conda-linux-gnu
--prefix=/home/conda/feedstock_root/build_artifacts/ctng-compilers_1618239181388/work/gcc_built
--with-sysroot=/home/conda/feedstock_root/build_artifacts/ctng-compilers_1618239181388/work/gcc_built/x86_64-conda-linux-gnu/sysroot
--enable-languages=c,c++,fortran,objc,obj-c++ --with-pkgversion='crosstool-NG
1.24.0.133_b0863d8_dirty' --enable-__cxa_atexit --disable-libmudflap
--enable-libgomp --disable-libssp --enable-libquadmath
--enable-libquadmath-support --enable-libsanitizer --enable-libmpx
--with-gmp=/home/conda/feedstock_root/build_artifacts/ctng-compilers_1618239181388/work/.build/x86_64-conda-linux-gnu/buildtools
--with-mpfr=/home/conda/feedstock_root/build_artifacts/ctng-compilers_1618239181388/work/.build/x86_64-conda-linux-gnu/buildtools
--with-mpc=/home/conda/feedstock_root/build_artifacts/ctng-compilers_1618239181388/work/.build/x86_64-conda-linux-gnu/buildtools
--with-isl=/home/conda/feedstock_root/build_artifacts/ctng-compilers_1618239181388/work/.build/x86_64-conda-linux-gnu/buildtools
--enable-lto --enable-threads=posix --enable-target-optspace --enable-plugin
--enable-gold --disable-nls --disable-multilib
--with-local-prefix=/home/conda/feedstock_root/build_artifacts/ctng-compilers_1618239181388/work/gcc_built/x86_64-conda-linux-gnu/sysroot
--enable-long-long --enable-default-pie
Thread model: posix
gcc version 9.3.0 (crosstool-NG 1.24.0.133_b0863d8_dirty)
COLLECT_GCC_OPTIONS='-c' '-fno-openmp' '-fno-openacc' '-O2' '-O2' '-v'
'-L/home/mgodbolt/dev/tradewinds/cmake-build-sanitize/env/lib' '-shared-libgcc'
'-mtune=generic' '-march=x86-64' '-dumpdir' 'src/binaries/gap_report/'
'-dumpbase' 'gap_report.wpa'
'-fltrans-output-list=/tmp/gap_report.Hio0Oc.ltrans.out' '-fwpa'
'-fresolution=/tmp/ccXX2ZQe.res' '-flinker-output=pie' '-shared-libgcc'
/envy/tradewinds/38/e526c9ac3dd516/bin/../lib/gcc/../../libexec/gcc/x86_64-conda-linux-gnu/9.3.0/lto1
-quiet -dumpdir src/binaries/gap_report/ -dumpbase gap_report.wpa
-mtune=generic -march=x86-64 -auxbase libwave_common -O2 -O2 -version
-fno-openmp -fno-openacc -fltrans-output-list=/tmp/gap_report.Hio0Oc.ltrans.out
-fwpa -fresolution=/tmp/ccXX2ZQe.res -flinker-output=pie @/tmp/cc6FOFfd
GNU GIMPLE (crosstool-NG 1.24.0.133_b0863d8_dirty) version 9.3.0
(x86_64-conda-linux-gnu)
compiled by GNU C version 4.4.7 20120313 (Red Hat 4.4.7-23), GMP
version 6.2.0, MPFR version 4.0.2, MPC version 1.1.0, isl version isl-0.22-GMP
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU GIMPLE (crosstool-NG 1.24.0.133_b0863d8_dirty) version 9.3.0
(x86_64-conda-linux-gnu)
compiled by GNU C version 4.4.7 20120313 (Red Hat 4.4.7-23), GMP
version 6.2.0, MPFR version 4.0.2, MPC version 1.1.0, isl version isl-0.22-GMP
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
during IPA pass: icf
lto1: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <https://gcc.gnu.org/bugs/> for instructions.
lto-wrapper: fatal error:
/home/mgodbolt/dev/tradewinds/cmake-build-sanitize/env/bin/x86_64-conda_cos6-linux-gnu-g++
returned 1 exit status
compilation terminated.
/envy/tradewinds/38/e526c9ac3dd516/bin/../lib/gcc/x86_64-conda-linux-gnu/9.3.0/../../../../x86_64-conda-linux-gnu/bin/ld:
error: lto-wrapper failed
collect2: error: ld returned 1 exit status
```
