https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119562
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- [apinski@xeond2 gcc]$ ./cc1 t.c t.c:2:1: error: unterminated raw string 2 | X | ^ t.c:2:1: internal compiler error: Segmentation fault 0x2610edf internal_error(char const*, ...) /home/apinski/src/upstream-gcc-match/gcc/gcc/diagnostic-global-context.cc:517 0x112912f crash_signal /home/apinski/src/upstream-gcc-match/gcc/gcc/toplev.cc:322 0x26a1b2d paste_tokens /home/apinski/src/upstream-gcc-match/gcc/libcpp/macro.cc:1051 0x26a4d74 paste_all_tokens /home/apinski/src/upstream-gcc-match/gcc/libcpp/macro.cc:1150 0x26a4d74 cpp_get_token_1 /home/apinski/src/upstream-gcc-match/gcc/libcpp/macro.cc:3028 0xaf5bfa get_token /home/apinski/src/upstream-gcc-match/gcc/gcc/c-family/c-lex.cc:311 0xaf5bfa c_lex_with_flags(tree_node**, unsigned long*, unsigned char*, int) /home/apinski/src/upstream-gcc-match/gcc/gcc/c-family/c-lex.cc:574 0xa3e7f9 c_lex_one_token /home/apinski/src/upstream-gcc-match/gcc/gcc/c/c-parser.cc:329 0xa8ad20 c_parser_peek_token(c_parser*) /home/apinski/src/upstream-gcc-match/gcc/gcc/c/c-parser.cc:533 0xa8ad20 c_parse_file() /home/apinski/src/upstream-gcc-match/gcc/gcc/c/c-parser.cc:29794 0xb0b641 c_common_parse_file() /home/apinski/src/upstream-gcc-match/gcc/gcc/c-family/c-opts.cc:1379 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions.