https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121618
Bug ID: 121618
Summary: [16 regression] Failed bootstrap on
armv7a-unknown-linux-gnueabihf
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Keywords: build, needs-bisection, wrong-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: sjames at gcc dot gnu.org
Target Milestone: ---
Created attachment 62162
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62162&action=edit
build.log.xz
Will bisect. My last successful build was r16-3292-ge78eb2f85b9b61. It fails at
r16-3303-g6faa3cfe60ff97.
```
build/genconditions
/var/tmp/portage/sys-devel/gcc-16.0.9999/work/gcc-16.0.9999/gcc/common.md
/var/tmp/portage/sys-devel/gcc-16.0.9999/work/gcc-16.0.9999/gcc/config/arm/arm.md
> tmp-condmd.cc
make[3]: *** [Makefile:2875: s-conditions] Error 139
make[3]: Leaving directory
'/var/tmp/portage/sys-devel/gcc-16.0.9999/work/build/gcc'
make[3]: *** Waiting for unfinished jobs....
make[3]: Entering directory
'/var/tmp/portage/sys-devel/gcc-16.0.9999/work/build/gcc'
build/genpreds
/var/tmp/portage/sys-devel/gcc-16.0.9999/work/gcc-16.0.9999/gcc/common.md
/var/tmp/portage/sys-devel/gcc-16.0.9999/work/gcc-16.0.9999/gcc/config/arm/arm.md
> tmp-preds.cc
make[3]: *** [Makefile:2931: s-preds] Error 139
make[3]: Leaving directory
'/var/tmp/portage/sys-devel/gcc-16.0.9999/work/build/gcc'
make[3]: Entering directory
'/var/tmp/portage/sys-devel/gcc-16.0.9999/work/build/gcc'
build/genpreds -c
/var/tmp/portage/sys-devel/gcc-16.0.9999/work/gcc-16.0.9999/gcc/common.md
/var/tmp/portage/sys-devel/gcc-16.0.9999/work/gcc-16.0.9999/gcc/config/arm/arm.md
> tmp-constrs.h
make[3]: *** [Makefile:2941: s-constrs-h] Error 139
make[3]: Leaving directory
'/var/tmp/portage/sys-devel/gcc-16.0.9999/work/build/gcc'
make[3]: Entering directory
'/var/tmp/portage/sys-devel/gcc-16.0.9999/work/build/gcc'
build/genpreds -h
/var/tmp/portage/sys-devel/gcc-16.0.9999/work/gcc-16.0.9999/gcc/common.md
/var/tmp/portage/sys-devel/gcc-16.0.9999/work/gcc-16.0.9999/gcc/config/arm/arm.md
> tmp-preds.h
make[3]: *** [Makefile:2936: s-preds-h] Error 139
```
```
$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/armv7a-unknown-linux-gnueabihf/16/lto-wrapper
Target: armv7a-unknown-linux-gnueabihf
Configured with:
/var/tmp/portage/sys-devel/gcc-16.0.9999/work/gcc-16.0.9999/configure
--host=armv7a-unknown-linux-gnueabihf --build=armv7a-unknown-linux-gnueabihf
--prefix=/usr --bindir=/usr/armv7a-unknown-linux-gnueabihf/gcc-bin/16
--includedir=/usr/lib/gcc/armv7a-unknown-linux-gnueabihf/16/include
--datadir=/usr/share/gcc-data/armv7a-unknown-linux-gnueabihf/16
--mandir=/usr/share/gcc-data/armv7a-unknown-linux-gnueabihf/16/man
--infodir=/usr/share/gcc-data/armv7a-unknown-linux-gnueabihf/16/info
--with-gxx-include-dir=/usr/lib/gcc/armv7a-unknown-linux-gnueabihf/16/include/g++-v16
--disable-silent-rules --disable-dependency-tracking
--with-python-dir=/share/gcc-data/armv7a-unknown-linux-gnueabihf/16/python
--enable-libphobos --enable-objc-gc
--enable-languages=c,c++,d,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 16.0.9999 p, commit
f65bd49e153e44a12a1462ec76be031e71bfa0c3' --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 --with-float=hard --with-arch=armv7-a
--with-float=hard --with-fpu=vfpv3-d16 --enable-libgomp --disable-libssp
--enable-libada --disable-systemtap --disable-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-gxx-libcxx-include-dir=/usr/include/c++/v1
--with-build-config='bootstrap-O3 bootstrap-lto'
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 16.0.0 20250820 (experimental)
e78eb2f85b9b61cf193dfc721bbd58966bea76df (Gentoo 16.0.9999 p, commit
f65bd49e153e44a12a1462ec76be031e71bfa0c3)
```
