https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118096
Bug ID: 118096
Summary: [15 regression] Failed bootstrap on sparc (ICE in
expand_insn, at optabs.cc:8269)
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: ---
```
# /var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/build/./prev-gcc/xg++
-B/var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/build/./prev-gcc/
-B/usr/sparc64-unknown-linux-gnu/bin/ -nostdinc++
-B/var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/build/prev-sparc64-unknown-linux-gnu/libstdc++-v3/src/.libs
-B/var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/build/prev-sparc64-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs
-isystem
/var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/build/prev-sparc64-unknown-linux-gnu/libstdc++-v3/include/sparc64-unknown-linux-gnu
-isystem
/var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/build/prev-sparc64-unknown-linux-gnu/libstdc++-v3/include
-isystem
/var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/gcc-15-20241215/libstdc++-v3/libsupc++
-L/var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/build/prev-sparc64-unknown-linux-gnu/libstdc++-v3/src/.libs
-L/var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/build/prev-sparc64-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs
-fPIE -c -mcpu=niagara4 -g -pipe -ggdb3 -O3 -fno-checking -DIN_GCC
-fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall
-Wno-error=narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute
-Wconditionally-supported -Woverloaded-virtual -pedantic -Wno-long-long
-Wno-variadic-macros -Wno-overlength-strings -DHAVE_CONFIG_H -fPIE -I. -I.
-I/var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/gcc-15-20241215/gcc
-I/var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/gcc-15-20241215/gcc/.
-I/var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/gcc-15-20241215/gcc/../include
-I/var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/gcc-15-20241215/gcc/../libcpp/include
-I/var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/gcc-15-20241215/gcc/../libcody
-I/var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/gcc-15-20241215/gcc/../libdecnumber
-I/var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/gcc-15-20241215/gcc/../libdecnumber/dpd
-I../libdecnumber
-I/var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/gcc-15-20241215/gcc/../libbacktrace
-D_GENTOO_TIME64_FORCE=0 -o graphds.o -MT graphds.o -MMD -MP -MF
./.deps/graphds.TPo
/var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/gcc-15-20241215/gcc/graphds.cc
during RTL pass: expand
/var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/gcc-15-20241215/gcc/graphds.cc:
In function ‘int graphds_scc(graph*, bitmap, skip_edge_callback, vec<int>*)’:
/var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/gcc-15-20241215/gcc/graphds.cc:293:1:
internal compiler error: in expand_insn, at optabs.cc:8269
293 | graphds_scc (struct graph *g, bitmap subgraph,
| ^~~~~~~~~~~
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
See <https://bugs.gentoo.org/> for instructions.
```
---
```
# /var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/build/./prev-gcc/xg++
-v
Using built-in specs.
COLLECT_GCC=/var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/build/./prev-gcc/xg++
Target: sparc64-unknown-linux-gnu
Configured with:
/var/tmp/portage/sys-devel/gcc-15.0.0_pre20241215/work/gcc-15-20241215/configure
--host=sparc64-unknown-linux-gnu --build=sparc64-unknown-linux-gnu
--prefix=/usr --bindir=/usr/sparc64-unknown-linux-gnu/gcc-bin/15
--includedir=/usr/lib/gcc/sparc64-unknown-linux-gnu/15/include
--datadir=/usr/share/gcc-data/sparc64-unknown-linux-gnu/15
--mandir=/usr/share/gcc-data/sparc64-unknown-linux-gnu/15/man
--infodir=/usr/share/gcc-data/sparc64-unknown-linux-gnu/15/info
--with-gxx-include-dir=/usr/lib/gcc/sparc64-unknown-linux-gnu/15/include/g++-v15
--disable-silent-rules --disable-dependency-tracking
--with-python-dir=/share/gcc-data/sparc64-unknown-linux-gnu/15/python
--enable-languages=c,c++,fortran,ada --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
15.0.0_pre20241215 p32' --with-gcc-major-version-only --enable-libstdcxx-time
--enable-lto --disable-libstdcxx-pch --enable-shared --enable-threads=posix
--enable-__cxa_atexit --enable-clocale=gnu --disable-multilib
--disable-fixed-point --enable-targets=all --enable-libgomp --disable-libssp
--enable-libada --disable-systemtap --disable-valgrind-annotations
--disable-vtable-verify --disable-libvtv --without-zstd --without-isl
--enable-default-pie --enable-host-pie --disable-host-bind-now
--enable-default-ssp --disable-fixincludes --with-build-config=bootstrap-O3
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 15.0.0 20241215 (experimental) (Gentoo 15.0.0_pre20241215 p32)
```
