https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113364
--- Comment #4 from Sam James <sjames at gcc dot gnu.org> --- Created attachment 57064 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57064&action=edit sanitizer_stack_store.ii Crashes with: ``` # /var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/build/./gcc/xgcc -c -shared-libgcc -B/var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/build/./gcc -nostdinc++ ./.libs/sanitizer_stack_store.ii -std=gnu++14 -m32 -O3 -march=znver2 /var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/gcc-14.0.1.9999/libsanitizer/sanitizer_common/sanitizer_stack_store.cpp: In member function ‘__sanitizer::uptr* __sanitizer::StackStore::BlockInfo::GetOrUnpack(__sanitizer::StackStore*)’: /var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/gcc-14.0.1.9999/libsanitizer/sanitizer_common/sanitizer_stack_store.cpp:253:7: error: definition in block 31 does not dominate use in block 30 253 | uptr *StackStore::BlockInfo::GetOrUnpack(StackStore *store) { | ^~~~~~~~~~ for SSA_NAME: vect_value_122.379_589 in statement: vect_value_122.379_590 = PHI <vect_value_122.379_589(30)> PHI argument vect_value_122.379_589 for PHI node vect_value_122.379_590 = PHI <vect_value_122.379_589(30)> during GIMPLE pass: vect /var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/gcc-14.0.1.9999/libsanitizer/sanitizer_common/sanitizer_stack_store.cpp:253:7: internal compiler error: verify_ssa failed 0x5604d3777a76 verify_ssa(bool, bool) [clone .constprop.0] /var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/gcc-14.0.1.9999/gcc/tree-ssa.cc:1203 0x5604d4e9b845 execute_function_todo /var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/gcc-14.0.1.9999/gcc/passes.cc:2095 0x5604d4e9b845 do_per_function /var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/gcc-14.0.1.9999/gcc/passes.cc:1687 0x5604d4e9b845 execute_todo /var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/gcc-14.0.1.9999/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. ``` ``` # /var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/build/./gcc/xgcc -v Using built-in specs. COLLECT_GCC=/var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/build/./gcc/xgcc Target: x86_64-pc-linux-gnu Configured with: /var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/gcc-14.0.1.9999/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 --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 14.0.1 p, commit 9d69e54a3b402b0fad067464bd402e92c14504a9' --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 14.0.1 20240112 (experimental) 8b447fa89d5e6b052c9309dfd1dafebdbd829ff9 (Gentoo Hardened 14.0.1 p, commit 9d69e54a3b402b0fad067464bd402e92c14504a9) ```
