https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65549
--- Comment #2 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- Created attachment 35158 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35158&action=edit reduced testcase markus@x4 tmp % g++ -std=gnu++1y -flto -g -O2 -r -nostdlib tcp_client.ii lto1: internal compiler error: Segmentation fault 0xa2766f crash_signal ../../gcc/gcc/toplev.c:383 0x10ed7b0 htab_hash_string ../../gcc/libiberty/hashtab.c:839 0x6e66df external_ref_hasher::hash(external_ref const*) ../../gcc/gcc/dwarf2out.c:7763 0x6e66df hash_table<external_ref_hasher, xcallocator, false>::find_slot(external_ref const*, insert_option) ../../gcc/gcc/hash-table.h:652 0x6e66df lookup_external_ref ../../gcc/gcc/dwarf2out.c:7791 0x6e6770 optimize_external_refs_1 ../../gcc/gcc/dwarf2out.c:7829 0x6e6797 optimize_external_refs_1 ../../gcc/gcc/dwarf2out.c:7833 0x6e6c06 optimize_external_refs ../../gcc/gcc/dwarf2out.c:7882 0x6e6e3d output_comp_unit ../../gcc/gcc/dwarf2out.c:9122 0x70ac89 dwarf2out_finish ../../gcc/gcc/dwarf2out.c:24800 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <http://gcc.gnu.org/bugs.html> for instructions.
