https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92406
Bug ID: 92406
Summary: [10 Regression] ICE in ipa_call_summary at
ipa-fnsummary.h:253 with lto and pgo
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: jan at jki dot io
CC: marxin at gcc dot gnu.org
Target Milestone: ---
Created attachment 47192
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47192&action=edit
preprocessed source
Latest trunk
This is a profiled python build version 3.7.4
Only happens with PGO and LTO enabled.
/usr/libexec/gcc/x86_64-pc-linux-gnu/10.0.0-pre9999/lto-wrapper
-fresolution=-lm.res -flinker-output=dyn Modules/getbuildinfo.o
Parser/acceler.o Parser/grammar1.o Parser/listnode.o P
arser/node.o Parser/parser.o Parser/bitset.o Parser/metagrammar.o
Parser/firstsets.o Parser/grammar.o Parser/pgen.o Parser/myreadline.o
Parser/parsetok.o Parser/tokenizer.o Objects/a
bstract.o Objects/accu.o Objects/boolobject.o Objects/bytes_methods.o
Objects/bytearrayobject.o Objects/bytesobject.o Objects/call.o
Objects/cellobject.o Objects/classobject.o Object
s/codeobject.o Objects/complexobject.o Objects/descrobject.o
Objects/enumobject.o Objects/exceptions.o Objects/genobject.o
Objects/fileobject.o Objects/floatobject.o Objects/frameobj
ect.o Objects/funcobject.o Objects/iterobject.o Objects/listobject.o
Objects/longobject.o Objects/dictobject.o Objects/odictobject.o
Objects/memoryobject.o Objects/methodobject.o Obj
ects/moduleobject.o Objects/namespaceobject.o Objects/object.o
Objects/obmalloc.o Objects/capsule.o Objects/rangeobject.o Objects/setobject.o
Objects/sliceobject.o Objects/structseq.
o Objects/tupleobject.o Objects/typeobject.o Objects/unicodeobject.o
Objects/unicodectype.o Objects/weakrefobject.o Python/_warnings.o
Python/Python-ast.o Python/asdl.o Python/ast.o
Python/ast_opt.o Python/ast_unparse.o Python/bltinmodule.o Python/ceval.o
Python/compile.o Python/codecs.o Python/dynamic_annotations.o Python/errors.o
Python/frozenmain.o Python/fut
ure.o Python/getargs.o Python/getcompiler.o Python/getcopyright.o
Python/getplatform.o Python/getversion.o Python/graminit.o Python/import.o
Python/importdl.o Python/marshal.o Python
/modsupport.o Python/mysnprintf.o Python/mystrtoul.o Python/pathconfig.o
Python/peephole.o Python/pyarena.o Python/pyctype.o Python/pyfpe.o
Python/pyhash.o Python/pylifecycle.o Pytho
n/pymath.o Python/pystate.o Python/context.o Python/hamt.o Python/pythonrun.o
Python/pytime.o Python/bootstrap_hash.o Python/structmember.o Python/symtable.o
Python/sysmodule.o Pytho
n/thread.o Python/traceback.o Python/getopt.o Python/pystrcmp.o
Python/pystrtod.o Python/pystrhex.o Python/dtoa.o Python/formatter_unicode.o
Python/fileutils.o Python/dynload_shlib.o
Modules/config.o Modules/getpath.o Modules/main.o Modules/gcmodule.o
Modules/posixmodule.o Modules/errnomodule.o Modules/pwdmodule.o Modules/_sre.o
Modules/_codecsmodule.o Modules/_
weakref.o Modules/_functoolsmodule.o Modules/_operator.o
Modules/_collectionsmodule.o Modules/_abc.o Modules/itertoolsmodule.o
Modules/atexitmodule.o Modules/signalmodule.o Modules/_
stat.o Modules/timemodule.o Modules/_threadmodule.o Modules/_localemodule.o
Modules/_iomodule.o Modules/iobase.o Modules/fileio.o Modules/bytesio.o
Modules/bufferedio.o Modules/texti
o.o Modules/stringio.o Modules/zipimport.o Modules/faulthandler.o
Modules/_tracemalloc.o Modules/hashtable.o Modules/symtablemodule.o
Modules/xxsubtype.o Python/frozen.o
/usr/libexec/gcc/x86_64-pc-linux-gnu/10.0.0-pre9999/lto-wrapper
-fresolution=-lm.res -flinker-output=dyn Modules/getbuildinfo.o
Parser/acceler.o Parser/grammar1.o Parser/listnode.o P
arser/node.o Parser/parser.o Parser/bitset.o Parser/metagrammar.o
Parser/firstsets.o Parser/grammar.o Parser/pgen.o Parser/myreadline.o
Parser/parsetok.o Parser/tokenizer.o Objects/a
bstract.o Objects/accu.o Objects/boolobject.o Objects/bytes_methods.o
Objects/bytearrayobject.o Objects/bytesobject.o Objects/call.o
Objects/cellobject.o Objects/classobject.o Object
s/codeobject.o Objects/complexobject.o Objects/descrobject.o
Objects/enumobject.o Objects/exceptions.o Objects/genobject.o
Objects/fileobject.o Objects/floatobject.o Objects/frameobj
ect.o Objects/funcobject.o Objects/iterobject.o Objects/listobject.o
Objects/longobject.o Objects/dictobject.o Objects/odictobject.o
Objects/memoryobject.o Objects/methodobject.o Obj
ects/moduleobject.o Objects/namespaceobject.o Objects/object.o
Objects/obmalloc.o Objects/capsule.o Objects/rangeobject.o Objects/setobject.o
Objects/sliceobject.o Objects/structseq.
o Objects/tupleobject.o Objects/typeobject.o Objects/unicodeobject.o
Objects/unicodectype.o Objects/weakrefobject.o Python/_warnings.o
Python/Python-ast.o Python/asdl.o Python/ast.o
Python/ast_opt.o Python/ast_unparse.o Python/bltinmodule.o Python/ceval.o
Python/compile.o Python/codecs.o Python/dynamic_annotations.o Python/errors.o
Python/frozenmain.o Python/fut
ure.o Python/getargs.o Python/getcompiler.o Python/getcopyright.o
Python/getplatform.o Python/getversion.o Python/graminit.o Python/import.o
Python/importdl.o Python/marshal.o Python
/modsupport.o Python/mysnprintf.o Python/mystrtoul.o Python/pathconfig.o
Python/peephole.o Python/pyarena.o Python/pyctype.o Python/pyfpe.o
Python/pyhash.o Python/pylifecycle.o Pytho
n/pymath.o Python/pystate.o Python/context.o Python/hamt.o Python/pythonrun.o
Python/pytime.o Python/bootstrap_hash.o Python/structmember.o Python/symtable.o
Python/sysmodule.o Pytho
n/thread.o Python/traceback.o Python/getopt.o Python/pystrcmp.o
Python/pystrtod.o Python/pystrhex.o Python/dtoa.o Python/formatter_unicode.o
Python/fileutils.o Python/dynload_shlib.o
Modules/config.o Modules/getpath.o Modules/main.o Modules/gcmodule.o
Modules/posixmodule.o Modules/errnomodule.o Modules/pwdmodule.o Modules/_sre.o
Modules/_codecsmodule.o Modules/_
weakref.o Modules/_functoolsmodule.o Modules/_operator.o
Modules/_collectionsmodule.o Modules/_abc.o Modules/itertoolsmodule.o
Modules/atexitmodule.o Modules/signalmodule.o Modules/_
stat.o Modules/timemodule.o Modules/_threadmodule.o Modules/_localemodule.o
Modules/_iomodule.o Modules/iobase.o Modules/fileio.o Modules/bytesio.o
Modules/bufferedio.o Modules/texti
o.o Modules/stringio.o Modules/zipimport.o Modules/faulthandler.o
Modules/_tracemalloc.o Modules/hashtable.o Modules/symtablemodule.o
Modules/xxsubtype.o Python/frozen.o
x86_64-pc-linux-gnu-gcc @/tmp/ccTN2VT6
Using built-in specs.
COLLECT_GCC=x86_64-pc-linux-gnu-gcc
Target: x86_64-pc-linux-gnu
Configured with:
/var/tmp/portage/sys-devel/gcc-10.0.0_pre9999/work/gcc-10.0.0_pre9999/configure
--host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr
--bindir=/usr/x8
6_64-pc-linux-gnu/gcc-bin/10.0.0-pre9999
--includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/10.0.0-pre9999/include
--datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/10.0.0-pre9999 --mandi
r=/usr/share/gcc-data/x86_64-pc-linux-gnu/10.0.0-pre9999/man
--infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/10.0.0-pre9999/info
--with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux
-gnu/10.0.0-pre9999/include/g++-v10
--with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/10.0.0-pre9999/python
--enable-languages=c,c++,fortran --enable-obsolete --enable-secureplt
--disable-werror --with-system-zlib --enable-nls --without-included-gettext
--enable-checking=release --with-bugurl=https://bugs.gentoo.org/
--with-pkgversion='Gentoo 10.0.0_pre9999'
--disable-esp --enable-libstdcxx-time --enable-shared --enable-threads=posix
--enable-__cxa_atexit --enable-clocale=gnu --enable-multilib
--with-multilib-list=m32,m64 --disable-alti
vec --disable-fixed-point --enable-targets=all --enable-libgomp
--disable-libmudflap --disable-libssp --disable-systemtap
--disable-vtable-verify --disable-libvtv --enable-lto --with
-isl --disable-isl-version-check --disable-libsanitizer --disable-default-pie
--disable-default-ssp --enable-plugin --disable-vtable-verify --with-ppl=yes
--disable-libunwind-excepti
ons --disable-default-pie --with-glibc-version=2.19 --disable-libmpx
--enable-bootstrap --with-tune=skylake --with-arch=skylake
--enable-linker-build-id --with-gnu-ld --enable-libstd
cxx-pch --with-fpmath=avx --with-zstd
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 10.0.0-pre9999 20191107 (experimental) (Gentoo 10.0.0_pre9999)
COLLECT_GCC_OPTIONS='-c' '-fno-openmp' '-fno-openacc' '-g' '-O2' '-fPIC'
'-pthread' '-shared' '-march=skylake' '-O2' '-Wno-error' '-v' '-save-temps'
'-g' '-L.' '-dumpdir' './' '-dump
base' 'libpython3.7m.so.1.0.wpa'
'-fltrans-output-list=libpython3.7m.so.1.0.ltrans.out' '-fwpa=20'
'-fresolution=-lm.res' '-flinker-output=dyn'
/usr/libexec/gcc/x86_64-pc-linux-gnu/10.0.0-pre9999/lto1 -quiet -dumpdir ./
-dumpbase libpython3.7m.so.1.0.wpa -march=skylake -auxbase getbuildinfo -g -g
-O2 -O2 -Wno-error -version
-fno-openmp -fno-openacc -fPIC
-fltrans-output-list=libpython3.7m.so.1.0.ltrans.out -fwpa=20
-fresolution=-lm.res -flinker-output=dyn @/tmp/cce0vDef
GNU GIMPLE (Gentoo 10.0.0_pre9999) version 10.0.0-pre9999 20191107
(experimental) (x86_64-pc-linux-gnu)
compiled by GNU C version 10.0.0-pre9999 20191107 (experimental), GMP
version 6.1.2, MPFR version 4.0.2, MPC version 1.1.0, isl version isl-0.21-GMP
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU GIMPLE (Gentoo 10.0.0_pre9999) version 10.0.0-pre9999 20191107
(experimental) (x86_64-pc-linux-gnu)
compiled by GNU C version 10.0.0-pre9999 20191107 (experimental), GMP
version 6.1.2, MPFR version 4.0.2, MPC version 1.1.0, isl version isl-0.21-GMP
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
during IPA pass: icf
In function ‘bytes_dealloc’:
lto1: internal compiler error: Segmentation fault
0x9c731f crash_signal
/var/tmp/portage/sys-devel/gcc-10.0.0_pre9999/work/gcc-10.0.0_pre9999/gcc/toplev.c:329
0x7f9763278b8f ???
/var/tmp/portage/sys-libs/glibc-2.30/work/glibc-2.30/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
0x8075ce ipa_call_summary::ipa_call_summary(ipa_call_summary const&)
/var/tmp/portage/sys-devel/gcc-10.0.0_pre9999/work/gcc-10.0.0_pre9999/gcc/ipa-fnsummary.h:253
0x8075ce ipa_call_summary_t::duplicate(cgraph_edge*, cgraph_edge*,
ipa_call_summary*, ipa_call_summary*)
/var/tmp/portage/sys-devel/gcc-10.0.0_pre9999/work/gcc-10.0.0_pre9999/gcc/ipa-fnsummary.c:762
0x80cc8f analyze_function_body
/var/tmp/portage/sys-devel/gcc-10.0.0_pre9999/work/gcc-10.0.0_pre9999/gcc/ipa-fnsummary.c:2487
0x80ecf7 compute_fn_summary(cgraph_node*, bool)
/var/tmp/portage/sys-devel/gcc-10.0.0_pre9999/work/gcc-10.0.0_pre9999/gcc/ipa-fnsummary.c:2802
0x833a17 ipa_merge_profiles(cgraph_node*, cgraph_node*, bool)
/var/tmp/portage/sys-devel/gcc-10.0.0_pre9999/work/gcc-10.0.0_pre9999/gcc/ipa-utils.c:668
0x11598b2 ipa_icf::sem_function::merge(ipa_icf::sem_item*)
/var/tmp/portage/sys-devel/gcc-10.0.0_pre9999/work/gcc-10.0.0_pre9999/gcc/ipa-icf.c:1299
0x115dead ipa_icf::sem_item_optimizer::merge_classes(unsigned int)
/var/tmp/portage/sys-devel/gcc-10.0.0_pre9999/work/gcc-10.0.0_pre9999/gcc/ipa-icf.c:3503
0x1162dd7 ipa_icf::sem_item_optimizer::execute()
/var/tmp/portage/sys-devel/gcc-10.0.0_pre9999/work/gcc-10.0.0_pre9999/gcc/ipa-icf.c:2582
0x1164756 ipa_icf_driver
/var/tmp/portage/sys-devel/gcc-10.0.0_pre9999/work/gcc-10.0.0_pre9999/gcc/ipa-icf.c:3667
0x1164756 ipa_icf::pass_ipa_icf::execute(function*)
/var/tmp/portage/sys-devel/gcc-10.0.0_pre9999/work/gcc-10.0.0_pre9999/gcc/ipa-icf.c:3714
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://bugs.gentoo.org/> for instructions.
lto-wrapper: fatal error: x86_64-pc-linux-gnu-gcc returned 1 exit status
compilation terminated.
[Leaving LTRANS libpython3.7m.so.1.0.ltrans.out]
/usr/lib/gcc/x86_64-pc-linux-gnu/10.0.0-pre9999/../../../../x86_64-pc-linux-gnu/bin/ld:
error: lto-wrapper failed
[Leaving libpython3.7m.so.1.0.lto_wrapper_args]
collect2: error: ld returned 1 exit status
ln: failed to access 'libpython3.7m.so.1.0': No such file or directory
make: *** [Makefile:645: libpython3.7m.so] Error 1
