https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116352
Bug ID: 116352
Summary: [15 regression] ICE when building opencv-4.9.0 (error:
definition in block 208 does not dominate use in block
188)
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
Target Milestone: ---
Created attachment 58917
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58917&action=edit
prior_box_layer.cpp.ii.xz
```
$ g++ -c
../opencv-4.9.0_build-abi_x86_64.amd64-python3_12/modules/dnn/CMakeFiles/opencv_dnn.dir/src/layers/prior_box_layer.cpp.ii
-march=znver3 -O3
/var/tmp/portage/media-libs/opencv-4.9.0-r1/work/opencv-4.9.0/modules/dnn/src/layers/prior_box_layer.cpp:
In member function ‘virtual void
cv::dnn::PriorBoxLayerImpl::forward(cv::InputArrayOfArrays,
cv::OutputArrayOfArrays, cv::OutputArrayOfArrays)’:
/var/tmp/portage/media-libs/opencv-4.9.0-r1/work/opencv-4.9.0/modules/dnn/src/layers/prior_box_layer.cpp:426:10:
error: definition in block 208 does not dominate use in block 188
426 | void forward(InputArrayOfArrays inputs_arr, OutputArrayOfArrays
outputs_arr, OutputArrayOfArrays internals_arr) CV_OVERRIDE
| ^~~~~~~
for SSA_NAME: _1178 in statement:
vect__976.1441_664 = _1094 + _1178;
during GIMPLE pass: slp
/var/tmp/portage/media-libs/opencv-4.9.0-r1/work/opencv-4.9.0/modules/dnn/src/layers/prior_box_layer.cpp:426:10:
internal compiler error: verify_ssa failed
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
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-languages=c,c++,fortran --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 15.0.9999 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 --disable-libada
--enable-cet --disable-systemtap --disable-valgrind-annotations
--disable-vtable-verify --disable-libvtv --with-zstd --without-isl
--enable-default-pie --enable-host-pie --enable-host-bind-now
--enable-default-ssp --disable-fixincludes --with-build-config='bootstrap-O3
bootstrap-lto bootstrap-cet'
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 15.0.0 20240812 (experimental)
7a970bd03f1d8eed7703db8a8db3c753ea68899f (Gentoo 15.0.9999 p, commit
743578d0de067c87f590c9886f14961bb429c1f4)
```
