https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111082
Bug ID: 111082 Summary: ICE in expand_fn_using_insn, at internal-fn.cc:214 (AVX512 related) Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: manuel.lauss at googlemail dot com Target Milestone: --- Created attachment 55766 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55766&action=edit compressed unreduced testcase gcc version 14.0.0 20230820 (experimental) d77c280454cfba48ef38357145cecdabc8c1b05c # gcc -O2 -march=znver4 -mtune=znver4 -pipe -std=gnu++11 gcc14-bf.ii In file included from /tmp-ram/portage/media-gfx/hugin-2022.0.0/work/hugin-2022.0.0/src/hugin_base/panodata/PanoramaData.h:40, from /tmp-ram/portage/media-gfx/hugin-2022.0.0/work/hugin-2022.0.0/src/hugin_base/nona/Stitcher.h:51, from /tmp-ram/portage/media-gfx/hugin-2022.0.0/work/hugin-2022.0.0/src/hugin_base/nona/Stitcher1.cpp:26: /tmp-ram/portage/media-gfx/hugin-2022.0.0/work/hugin-2022.0.0/src/hugin_base/panodata/PanoramaVariable.h:160:31: warning: 'template<class _Arg, class _Result> struct std::unary_function' is deprecated [-Wdeprecated-declarations] 160 | struct PrintVar : public std::unary_function<Variable, void> | ^~~~~~~~~~~~~~ In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/14/include/g++-v14/string:49, from /usr/lib/gcc/x86_64-pc-linux-gnu/14/include/g++-v14/bits/locale_classes.h:40, from /usr/lib/gcc/x86_64-pc-linux-gnu/14/include/g++-v14/bits/ios_base.h:41, from /usr/lib/gcc/x86_64-pc-linux-gnu/14/include/g++-v14/ios:44, from /usr/lib/gcc/x86_64-pc-linux-gnu/14/include/g++-v14/istream:40, from /usr/lib/gcc/x86_64-pc-linux-gnu/14/include/g++-v14/sstream:40, from /tmp-ram/portage/media-gfx/hugin-2022.0.0/work/hugin-2022.0.0/src/hugin_base/nona/Stitcher.h:32: /usr/lib/gcc/x86_64-pc-linux-gnu/14/include/g++-v14/bits/stl_function.h:120:12: note: declared here 120 | struct unary_function | ^~~~~~~~~~~~~~ during RTL pass: expand In file included from /tmp-ram/portage/media-gfx/hugin-2022.0.0/work/hugin-2022.0.0/src/hugin_base/vigra_ext/StitchWatershed.h:30, from /tmp-ram/portage/media-gfx/hugin-2022.0.0/work/hugin-2022.0.0/src/hugin_base/nona/Stitcher.h:47: /tmp-ram/portage/media-gfx/hugin-2022.0.0/work/hugin-2022.0.0/src/hugin_base/vigra_ext/BlendPoisson.h: In function 'void vigra_ext::poisson::BuildSeamPyramid(const Image&, vigra::ImagePyramid<PyramidImage>&, int) [with Image = vigra::BasicImage<unsigned char>; PyramidImage = vigra::BasicImage<signed char>]': /tmp-ram/portage/media-gfx/hugin-2022.0.0/work/hugin-2022.0.0/src/hugin_base/vigra_ext/BlendPoisson.h:650:6: internal compiler error: in expand_fn_using_insn, at internal-fn.cc:214 650 | void BuildSeamPyramid(const Image& input, vigra::ImagePyramid<PyramidImage>& seams, const int minLength) | ^~~~~~~~~~~~~~~~ 0x5652df7942af internal_error(char const*, ...) ???:0 0x5652ddd04ed6 fancy_abort(char const*, int, char const*) ???:0 ICE goes away with -mno-avx512f appended. Attached us an unreduced testcase. This failure is fairly new; it did not break 1 week ago.