https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114251
Bug ID: 114251 Summary: [14 regression] ICE when building python-3.12.2's Hacl_Hash_SHA2.c (tree check: expected class ‘type’, have ‘exceptional’ (error_mark) in useless_type_conversion_p, at gimple-expr.cc:85) Product: gcc Version: 14.0 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 57625 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57625&action=edit Hacl_Hash_SHA2.i ``` $ gcc -c Hacl_Hash_SHA2.i -O2 -march=znver2 -fprofile-generate during GIMPLE pass: slp ./Modules/_hacl/Hacl_Hash_SHA2.c: In function ‘sha512_update’: ./Modules/_hacl/Hacl_Hash_SHA2.c:269:24: internal compiler error: tree check: expected class ‘type’, have ‘exceptional’ (error_mark) in useless_type_conversion_p, at gimple-expr.cc:85 0x55e2e7432cd4 tree_class_check_failed(tree_node const*, tree_code_class, char const*, int, char const*) /usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/tree.cc:9005 0x55e2e65ba852 tree_class_check(tree_node*, tree_code_class, char const*, int, char const*) /usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/tree.h:3767 0x55e2e65ba852 useless_type_conversion_p(tree_node*, tree_node*) /usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/gimple-expr.cc:85 0x55e2e7e82a8e verify_gimple_assign_binary /usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/tree-cfg.cc:4305 0x55e2e7e2bf9b verify_gimple_in_cfg(function*, bool, bool) /usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/tree-cfg.cc:5599 0x55e2e7ca5a38 execute_function_todo /usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/passes.cc:2088 0x55e2e7ca5a38 do_per_function /usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/passes.cc:1687 0x55e2e7ca5a38 execute_todo /usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/passes.cc:2142 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/14/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /var/tmp/portage/sys-devel/gcc-14.0.9999/work/gcc-14.0.9999/configure --host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr --bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/14 --includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/14/include --datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/14 --mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/14/man --infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/14/info --with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/14/include/g++-v14 --disable-silent-rules --disable-dependency-tracking --with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/14/python --enable-languages=c,c++,fortran,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 14.0.9999 p, commit c8305c9bdf09abe3e2f89783fe62f2e4049468fa' --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 --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 14.0.1 20240305 (experimental) 8776468d9e57ace5f832c1368243a6dbce9984d5 (Gentoo Hardened 14.0.9999 p, commit c8305c9bdf09abe3e2f89783fe62f2e4049468fa) ```