https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92166
Bug ID: 92166
Summary: [10 regression] ICE compiling gcc.dg/vshift-5.c
starting with r277241
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
Executing on host: /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/vshift-5.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -O3 -lm -o
./vshift-5.exe (timeout = 300)
spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/vshift-5.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -O3 -lm -o ./vshift-5.exe
during GIMPLE pass: slp
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/vshift-5.c: In function 'f2':
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/vshift-5.c:26:1: internal
compiler error: in operator[], at vec.h:859
0x10df142f vec<tree_node*, va_heap, vl_embed>::operator[](unsigned int)
/home/seurer/gcc/gcc-test2/gcc/vec.h:859
0x10df142f vec<tree_node*, va_heap, vl_ptr>::operator[](unsigned int)
/home/seurer/gcc/gcc-test2/gcc/vec.h:1425
0x10df142f vectorizable_shift
/home/seurer/gcc/gcc-test2/gcc/tree-vect-stmts.c:5842
0x10e0ac4b vect_transform_stmt(_stmt_vec_info*, gimple_stmt_iterator*,
_slp_tree*, _slp_instance*)
/home/seurer/gcc/gcc-test2/gcc/tree-vect-stmts.c:10812
0x10e3b69f vect_schedule_slp_instance
/home/seurer/gcc/gcc-test2/gcc/tree-vect-slp.c:3950
0x10e3b3ab vect_schedule_slp_instance
/home/seurer/gcc/gcc-test2/gcc/tree-vect-slp.c:3844
0x10e3dd2b vect_schedule_slp(vec_info*)
/home/seurer/gcc/gcc-test2/gcc/tree-vect-slp.c:4024
0x10e421d7 vect_slp_bb_region
/home/seurer/gcc/gcc-test2/gcc/tree-vect-slp.c:3076
0x10e421d7 vect_slp_bb(basic_block_def*)
/home/seurer/gcc/gcc-test2/gcc/tree-vect-slp.c:3170
0x10e4595b execute
/home/seurer/gcc/gcc-test2/gcc/tree-vectorizer.c:1309
