https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117104
Bug ID: 117104
Summary: [15 regression] ICE when building python-3.12.7
(prepare_cmp_insn, at optabs.cc:4622) with -O2
-march=x86-64-v4 -fno-vect-cost-model -fwrapv
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: sjames at gcc dot gnu.org
Target Milestone: ---
$ gcc -c bytearrayobject.i -O2 -march=x86-64-v4 -fno-vect-cost-model -fwrapv
during RTL pass: expand
In file included from Objects/stringlib/transmogrify.h:13,
from Objects/bytearrayobject.c:1121:
Objects/stringlib/clinic/transmogrify.h.h: In function ‘stringlib_center’:
Objects/stringlib/clinic/transmogrify.h.h:203:1: internal compiler error: in
prepare_cmp_insn, at optabs.cc:4622
0x58bf1d1f88bb internal_error(char const*, ...)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/diagnostic-global-context.cc:517
0x58bf1d1d6d40 fancy_abort(char const*, int, char const*)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/diagnostic.cc:1533
0x58bf1befade5 prepare_cmp_insn
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/optabs.cc:4622
0x58bf1d7b73cd emit_cmp_and_jump_insns(rtx_def*, rtx_def*, rtx_code, rtx_def*,
machine_mode, int, tree_node*, rtx_def*, profile_probability)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/optabs.cc:4837
0x58bf1d7b15ef do_compare_rtx_and_jump(rtx_def*, rtx_def*, rtx_code, int,
tree_node*, machine_mode, rtx_def*, rtx_code_label*, rtx_code_label*,
profile_probability)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/dojump.cc:1256
0x58bf1dc876ee do_compare_and_jump
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/dojump.cc:1330
0x58bf1d7af27c do_jump_1
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/dojump.cc:242
0x58bf1d7ac213 jumpifnot_1(tree_code, tree_node*, tree_node*, rtx_code_label*,
profile_probability)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/dojump.cc:950
0x58bf1d7ac213 expand_gimple_cond
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/cfgexpand.cc:2710
0x58bf1d788cda expand_gimple_basic_block
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/cfgexpand.cc:6014
0x58bf1d703c66 execute
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/cfgexpand.cc:6900
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://bugs.gentoo.org/> for instructions.
----
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-pc-linux-gnu/15/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with:
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/configure
--host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr
--bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/15
--includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/15/include
--datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/15
--mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/15/man
--infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/15/info
--with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15
--disable-silent-rules --disable-dependency-tracking
--with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/15/python
--enable-objc-gc --enable-languages=c,c++,d,go,objc,obj-c++,fortran,ada,m2,rust
--enable-obsolete --enable-secureplt --disable-werror --with-system-zlib
--enable-nls --without-included-gettext --disable-libunwind-exceptions
--enable-checking=yes,extra,rtl --with-bugurl=https://bugs.gentoo.org/
--with-pkgversion='Gentoo Hardened 15.0.9999 p, commit
9a259e1746b11f94c3ccdeacb33bcc9ccfeb3f5f' --with-gcc-major-version-only
--enable-libstdcxx-time --enable-lto --disable-libstdcxx-pch --enable-shared
--enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu
--enable-multilib --with-multilib-list=m32,m64 --disable-fixed-point
--enable-targets=all --enable-libgomp --disable-libssp --enable-libada
--disable-cet --disable-systemtap --enable-valgrind-annotations
--disable-vtable-verify --disable-libvtv --with-zstd --with-isl
--disable-isl-version-check --enable-default-pie --enable-host-pie
--enable-host-bind-now --enable-default-ssp --disable-fixincludes
--with-build-config='bootstrap-O3 bootstrap-lto'
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 15.0.0 20241011 (experimental)
3b095ac8477f09cccbc9002dde888bd0ad9a73fb (Gentoo Hardened 15.0.9999 p, commit
9a259e1746b11f94c3ccdeacb33bcc9ccfeb3f5f)
