https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113012
Bug ID: 113012 Summary: [14 regression] ICE when building xorg-server with -fsanitize=undefined Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: sjames at gcc dot gnu.org Target Milestone: --- Created attachment 56875 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56875&action=edit mizerline.c.i Hit this when building xorg-server. Only hit it by chance when poking at something else... ``` $ gcc -c mizerline.c.i -fsanitize=undefined -O2 gimplification failed: 0 <integer_cst 0x7fd309002f78 type <integer_type 0x7fd309023000 sizetype> constant 0> during GIMPLE pass: objsz In function ‘miZeroLine’: cc1: internal compiler error: gimplification failed 0x55aa6617eb5b gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /usr/src/debug/sys-devel/gcc-14.0.0_pre20231210/gcc-14-20231210/gcc/gimplify.cc:17753 0x55aa678d24bf gimplify_modify_expr /usr/src/debug/sys-devel/gcc-14.0.0_pre20231210/gcc-14-20231210/gcc/gimplify.cc:6418 0x55aa678c383c gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /usr/src/debug/sys-devel/gcc-14.0.0_pre20231210/gcc-14-20231210/gcc/gimplify.cc:16719 0x55aa67b39946 force_gimple_operand_1(tree_node*, gimple**, bool (*)(tree_node*), tree_node*) /usr/src/debug/sys-devel/gcc-14.0.0_pre20231210/gcc-14-20231210/gcc/gimplify-me.cc:78 0x55aa67acd61a gimplify_size_expressions /usr/src/debug/sys-devel/gcc-14.0.0_pre20231210/gcc-14-20231210/gcc/tree-object-size.cc:1088 0x55aa67acd61a compute_builtin_object_size(tree_node*, int, tree_node**) /usr/src/debug/sys-devel/gcc-14.0.0_pre20231210/gcc-14-20231210/gcc/tree-object-size.cc:1199 0x55aa678ef777 fold_builtin_object_size /usr/src/debug/sys-devel/gcc-14.0.0_pre20231210/gcc-14-20231210/gcc/builtins.cc:11556 0x55aa678ef777 fold_builtin_2 /usr/src/debug/sys-devel/gcc-14.0.0_pre20231210/gcc-14-20231210/gcc/builtins.cc:10575 0x55aa678ef777 fold_builtin_n(unsigned int, tree_node*, tree_node*, tree_node**, int, bool) [clone .isra.0] /usr/src/debug/sys-devel/gcc-14.0.0_pre20231210/gcc-14-20231210/gcc/builtins.cc:10687 0x55aa67a1122d dynamic_object_sizes_execute_one /usr/src/debug/sys-devel/gcc-14.0.0_pre20231210/gcc-14-20231210/gcc/tree-object-size.cc:2078 0x55aa67a1122d object_sizes_execute /usr/src/debug/sys-devel/gcc-14.0.0_pre20231210/gcc-14-20231210/gcc/tree-object-size.cc:2140 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-14.0.0_pre20231210/work/gcc-14-20231210/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 14.0.0_pre20231210 p10' --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 --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 --with-build-config='bootstrap-O3 bootstrap-lto bootstrap-cet' Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 14.0.0 20231210 (experimental) (Gentoo Hardened 14.0.0_pre20231210 p10) ```