https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113364
Bug ID: 113364
Summary: [14 regression] Failed bootstrap
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
CC: tnfchris at gcc dot gnu.org
Target Milestone: ---
```
libtool: compile:
/var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/build/./gcc/xgcc -shared-libgcc
-B/var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/build/./gcc -nostdinc++
-L/var/tmp/portage/sys-devel/gcc-14
.0.1.9999/work/build/x86_64-pc-linux-gnu/32/libstdc++-v3/src
-L/var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/build/x86_64-pc-linux-gnu/32/libstdc++-v3/src/.libs
-L/var/tmp/portage/sys-devel/gcc-14.0.1.9999/
work/build/x86_64-pc-linux-gnu/32/libstdc++-v3/libsupc++/.libs
-B/usr/x86_64-pc-linux-gnu/bin/ -B/usr/x86_64-pc-linux-gnu/lib/ -isystem
/usr/x86_64-pc-linux-gnu/include -isystem /usr/x86_64-pc-linux-gnu/sys-i
nclude -m32 -D_GNU_SOURCE -D_DEBUG -D__STDC_CONSTANT_MACROS
-D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -DHAVE_RPC_XDR_H=0
-DHAVE_TIRPC_RPC_XDR_H=0 -I.
-I/var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/gcc-1
4.0.1.9999/libsanitizer/sanitizer_common -I.. -I
/var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/gcc-14.0.1.9999/libsanitizer/include
-I /var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/gcc-14.0.1.9999/libsani
tizer -isystem
/var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/gcc-14.0.1.9999/libsanitizer/include/system
-Wall -W -Wno-unused-parameter -Wwrite-strings -pedantic -Wno-long-long -fPIC
-fno-builtin -fno-excep
tions -fno-rtti -fomit-frame-pointer -funwind-tables -fvisibility=hidden
-Wno-variadic-macros -I../../libstdc++-v3/include
-I../../libstdc++-v3/include/x86_64-pc-linux-gnu
-I/var/tmp/portage/sys-devel/gcc-14.
0.1.9999/work/gcc-14.0.1.9999/libsanitizer/../libstdc++-v3/libsupc++
-std=gnu++14 -fcf-protection -mshstk -DSANITIZER_LIBBACKTRACE
-DSANITIZER_CP_DEMANGLE -I /var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/gc
c-14.0.1.9999/libsanitizer/../libbacktrace -I ../libbacktrace -I
/var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/gcc-14.0.1.9999/libsanitizer/../include
-include /var/tmp/portage/sys-devel/gcc-14.0.1.9999/wor
k/gcc-14.0.1.9999/libsanitizer/libbacktrace/backtrace-rename.h -g -O2 -O3
-march=native -mtls-dialect=gnu2 -fno-semantic-interposition -pipe -Wa,-O2
-Wa,-mtune=znver2 -fcf-protection=none -fdiagnostics-color=
always -fdiagnostics-urls=never -ggdb3 -fno-harden-control-flow-redundancy
-march=znver2 -O3 -fno-harden-control-flow-redundancy -D_GNU_SOURCE -m32 -c
/var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/gcc-14.0.
1.9999/libsanitizer/sanitizer_common/sanitizer_stack_store.cpp -fPIC -DPIC -o
.libs/sanitizer_stack_store.o
/var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/gcc-14.0.1.9999/libsanitizer/sanitizer_common/sanitizer_stack_store.cpp:246:6:
warning: ISO C++ forbids flexible array member ‘data’ [-Wpedantic]
246 | u8 data[];
| ^~~~
/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 21 does not dominate use in block 20
253 | uptr *StackStore::BlockInfo::GetOrUnpack(StackStore *store) {
| ^~~~~~~~~~
for SSA_NAME: vect_value_119.379_149 in statement:
vect_value_119.379_143 = PHI <vect_value_119.379_149(20)>
PHI argument
vect_value_119.379_149
for PHI node
vect_value_119.379_143 = PHI <vect_value_119.379_149(20)>
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
0x55623ca579c2 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
0x55623e17bd05 execute_function_todo
/var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/gcc-14.0.1.9999/gcc/passes.cc:2095
0x55623e17bd05 do_per_function
/var/tmp/portage/sys-devel/gcc-14.0.1.9999/work/gcc-14.0.1.9999/gcc/passes.cc:1687
0x55623e17bd05 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.
make[8]: *** [Makefile:627: sanitizer_stack_store.lo] Error 1
```
