https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116349
Bug ID: 116349
Summary: [15 regression] ICE in expand_simple_binop, at
optabs.cc:1264 when building libgo
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: sjames at gcc dot gnu.org
CC: tsamismanolis at gmail dot com
Target Milestone: ---
```
# /var/tmp/portage/sys-devel/gcc-15.0.9999/work/build/./gcc/gccgo
-B/var/tmp/portage/sys-devel/gcc-15.0.9999/work/build/./gcc/
-B/usr/x86_64-pc-linux-gnu/bin/ -B/usr/x86_64-pc-linux-gnu/lib/ -isystem
/usr/x86_64-pc-linux-gnu/include -isystem /usr/x86_64-pc-linux-gnu/sys-include
-minline-all-stringops -O2 -g -I . -c -fgo-pkgpath=time
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/libgo/go/time/format.go
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/libgo/go/time/sleep.go
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/libgo/go/time/sys_unix.go
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/libgo/go/time/tick.go
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/libgo/go/time/time.go
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/libgo/go/time/zoneinfo.go
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/libgo/go/time/zoneinfo_read.go
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/libgo/go/time/zoneinfo_unix.go
-fPIC -o .libs/time.o
during RTL pass: ce1
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/libgo/go/time/zoneinfo_read.go:
In function ‘time.loadLocation.isra’:
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/libgo/go/time/zoneinfo_read.go:531:1:
internal compiler error: in expand_simple_binop, at optabs.cc:1264
531 | func loadLocation(name string, sources []string) (z *Location, firstErr
error) {
| ^
0x563254a01b57 internal_error(char const*, ...)
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/gcc/diagnostic-global-context.cc:491
0x563254a01cf2 fancy_abort(char const*, int, char const*)
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/gcc/diagnostic.cc:1772
0x563253a9c233 expand_simple_binop(machine_mode, rtx_code, rtx_def*, rtx_def*,
rtx_def*, int, optab_methods)
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/gcc/optabs.cc:1264
0x563253a9c233 expand_simple_binop(machine_mode, rtx_code, rtx_def*, rtx_def*,
rtx_def*, int, optab_methods)
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/gcc/optabs.cc:1259
0x563254f874b5 force_operand(rtx_def*, rtx_def*)
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/gcc/expr.cc:8687
0x5632551071e3 copy_to_mode_reg(machine_mode, rtx_def*)
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/gcc/explow.cc:655
0x563254f8f493 maybe_legitimize_operand
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/gcc/optabs.cc:8041
0x563254f8f493 maybe_legitimize_operands(insn_code, unsigned int, unsigned int,
expand_operand*)
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/gcc/optabs.cc:8184
0x563254f8ebf5 maybe_gen_insn(insn_code, unsigned int, expand_operand*)
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/gcc/optabs.cc:8203
0x5632554eccdd maybe_expand_insn(insn_code, unsigned int, expand_operand*)
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/gcc/optabs.cc:8258
0x5632554eccdd emit_conditional_move_1
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/gcc/optabs.cc:5229
0x5632552d71d5 emit_conditional_move(rtx_def*, rtx_comparison, rtx_def*,
rtx_def*, machine_mode, int)
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/gcc/optabs.cc:5142
0x5632554ec438 noce_emit_cmove
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/gcc/ifcvt.cc:1773
0x5632555168f1 try_emit_cmove_seq
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/gcc/ifcvt.cc:3406
0x563255515e65 noce_convert_multiple_sets_1
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/gcc/ifcvt.cc:3687
0x5632552d4ccc noce_convert_multiple_sets
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/gcc/ifcvt.cc:3492
0x5632552d4ccc noce_process_if_block(noce_if_info*) [clone .constprop.0]
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/gcc/ifcvt.cc:4025
0x5632550e0f80 noce_find_if_block
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/gcc/ifcvt.cc:4706
0x5632550e0f80 find_if_header
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/gcc/ifcvt.cc:4911
0x5632550e0f80 if_convert
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/gcc/ifcvt.cc:6058
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,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
743578d0de067c87f590c9886f14961bb429c1f4' --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 20240812 (experimental)
7bf4cd48d4494ba65680578e9c7ae9a1b809aeaf (Gentoo Hardened 15.0.9999 p, commit
743578d0de067c87f590c9886f14961bb429c1f4)
```
