https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95628
Bug ID: 95628
Summary: [11 regression] ICE in gcc build after r11-1181
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at linux dot vnet.ibm.com
Target Milestone: ---
g:371cc683371bedb0e53ebcee0c0e89604a1e74b1, r11-1181
This appears to affect at the least all powerpc64 and AIX builds. Even basic
non-bootstrap ones.
libtool: compile: /home/seurer/gcc/git/build/gcc-test/./gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/./gcc/
-B/home/seurer/gcc/git/install/gcc-test/powerpc64-unknown-linux-gnu/bin/
-B/home/seurer/gcc/git/install/gcc-test/powerpc64-unknown-linux-gnu/lib/
-isystem
/home/seurer/gcc/git/install/gcc-test/powerpc64-unknown-linux-gnu/include
-isystem
/home/seurer/gcc/git/install/gcc-test/powerpc64-unknown-linux-gnu/sys-include
-DHAVE_CONFIG_H -I. -I/home/seurer/gcc/git/gcc-test/libgfortran
-iquote/home/seurer/gcc/git/gcc-test/libgfortran/io
-I/home/seurer/gcc/git/gcc-test/libgfortran/../gcc
-I/home/seurer/gcc/git/gcc-test/libgfortran/../gcc/config
-I/home/seurer/gcc/git/gcc-test/libgfortran/../libquadmath -I../.././gcc
-I/home/seurer/gcc/git/gcc-test/libgfortran/../libgcc -I../libgcc
-I/home/seurer/gcc/git/gcc-test/libgfortran/../libbacktrace -I../libbacktrace
-I../libbacktrace -std=gnu11 -Wall -Wstrict-prototypes -Wmissing-prototypes
-Wold-style-definition -Wextra -Wwrite-strings
-Werror=implicit-function-declaration -Werror=vla -fcx-fortran-rules
-ffunction-sections -fdata-sections -ffast-math -ftree-vectorize -funroll-loops
--param max-unroll-times=4 -g -O2 -MT matmul_i1.lo -MD -MP -MF
.deps/matmul_i1.Tpo -c
/home/seurer/gcc/git/gcc-test/libgfortran/generated/matmul_i1.c -fPIC -DPIC -o
.libs/matmul_i1.o
during GIMPLE pass: vect
/home/seurer/gcc/git/gcc-test/libgfortran/generated/matmul_i1.c: In function
'matmul_i1':
/home/seurer/gcc/git/gcc-test/libgfortran/generated/matmul_i1.c:2446:1:
internal compiler error: Segmentation fault
2446 | matmul_i1 (gfc_array_i1 * const restrict retarray,
| ^~~~~~~~~
0x10b4cd3b crash_signal
/home/seurer/gcc/git/gcc-test/gcc/toplev.c:328
0x10ffa2e0 rs6000_density_test
/home/seurer/gcc/git/gcc-test/gcc/config/rs6000/rs6000.c:4992
0x10ffa2e0 rs6000_finish_cost
/home/seurer/gcc/git/gcc-test/gcc/config/rs6000/rs6000.c:5102
0x10edce43 finish_cost
/home/seurer/gcc/git/gcc-test/gcc/tree-vectorizer.h:1400
0x10edce43 vect_compute_single_scalar_iteration_cost
/home/seurer/gcc/git/gcc-test/gcc/tree-vect-loop.c:1134
0x10edce43 vect_analyze_loop_2
/home/seurer/gcc/git/gcc-test/gcc/tree-vect-loop.c:2041
0x10edce43 vect_analyze_loop(loop*, vec_info_shared*)
/home/seurer/gcc/git/gcc-test/gcc/tree-vect-loop.c:2583
0x10f0511f try_vectorize_loop_1
/home/seurer/gcc/git/gcc-test/gcc/tree-vectorizer.c:894
0x10f05eaf vectorize_loops()
/home/seurer/gcc/git/gcc-test/gcc/tree-vectorizer.c:1128
0x10d7b6c7 execute
/home/seurer/gcc/git/gcc-test/gcc/tree-ssa-loop.c:414
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
make[3]: *** [matmul_i1.lo] Error 1
make[3]: Leaving directory
`/home/seurer/gcc/git/build/gcc-test/powerpc64-unknown-linux-gnu/libgfortran'
make[2]: *** [all] Error 2
make[2]: Leaving directory
`/home/seurer/gcc/git/build/gcc-test/powerpc64-unknown-linux-gnu/libgfortran'
make[1]: *** [all-target-libgfortran] Error 2
make[1]: Leaving directory `/home/seurer/gcc/git/build/gcc-test'
make: *** [all] Error 2
