https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65549
Bug ID: 65549
Summary: crash in htab_hash_string with -flto
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: debug
Assignee: unassigned at gcc dot gnu.org
Reporter: [email protected]
lto1: internal compiler error: Segmentation fault
0xa283bf crash_signal
../../gcc/toplev.c:383
0x111c7b0 htab_hash_string
../../libiberty/hashtab.c:839
0x6d06bf external_ref_hasher::hash(external_ref const*)
../../gcc/dwarf2out.c:7763
0x6d06bf hash_table<external_ref_hasher, xcallocator,
false>::find_slot(external_ref const*, insert_option)
../../gcc/hash-table.h:652
0x6d06bf lookup_external_ref
../../gcc/dwarf2out.c:7791
0x6d075d optimize_external_refs_1
../../gcc/dwarf2out.c:7829
0x6d0788 optimize_external_refs_1
../../gcc/dwarf2out.c:7833
0x6d0bc6 optimize_external_refs
../../gcc/dwarf2out.c:7882
0x6d0dfd output_comp_unit
../../gcc/dwarf2out.c:9122
0x6f6cd9 dwarf2out_finish
../../gcc/dwarf2out.c:24800
Please submit a full bug report,
g++5 (GCC) 5.0.0 20150324 (experimental)
To reproduce, clone seastar (https://github.com/cloudius-systems/seastar)
./configure.py --compiler /path/to/g++5 --cflags='-flto
-D_GLIBCXX_USE_CXX11_ABI=0'
ninja build/release/tests/tcp_client # named ninja-build on Fedora)
