https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61670
--- Comment #5 from Dmitry G. Dyachenko <dimhen at gmail dot com> --- r218716 FAIL for me Fedora 21 x86_64 PR61670]$ LANG=C /usr/local/gcc_current/bin/g++ -fsyntax-only -fpreprocessed au.ii au.ii:3:3: error: expected ';' at end of member declaration 0 ^ au.ii: In instantiation of 'class A<int>': au.ii:6:8: required from here au.ii:3:3: error: 'A< <template-parameter-1-1> >::<anonymous>' has incomplete type au.ii:1:24: note: definition of 'class A<int>' is not complete until the closing brace template <class> class A { ^ au.ii:1:24: internal compiler error: Segmentation fault 0xcad88f crash_signal /home/dimhen/src/gcc_current/gcc/toplev.c:358 0xf18a01 tree_nop_conversion /home/dimhen/src/gcc_current/gcc/tree.c:11711 0xf18a01 tree_strip_nop_conversions(tree_node*) /home/dimhen/src/gcc_current/gcc/tree.c:11750 0xf1a2aa integer_zerop(tree_node const*) /home/dimhen/src/gcc_current/gcc/tree.c:2176 0x6cebcf remove_zero_width_bit_fields /home/dimhen/src/gcc_current/gcc/cp/class.c:5313 0x6cebcf layout_class_type /home/dimhen/src/gcc_current/gcc/cp/class.c:6251 0x6db15c finish_struct_1(tree_node*) /home/dimhen/src/gcc_current/gcc/cp/class.c:6473 0x6adeaa instantiate_class_template_1 /home/dimhen/src/gcc_current/gcc/cp/pt.c:9592 0x6adeaa instantiate_class_template(tree_node*) /home/dimhen/src/gcc_current/gcc/cp/pt.c:9632 0x74474b complete_type(tree_node*) /home/dimhen/src/gcc_current/gcc/cp/typeck.c:136 0x620927 start_decl_1(tree_node*, bool) /home/dimhen/src/gcc_current/gcc/cp/decl.c:4862 0x643427 start_decl(cp_declarator const*, cp_decl_specifier_seq*, int, tree_node*, tree_node*, tree_node**) /home/dimhen/src/gcc_current/gcc/cp/decl.c:4825 0x72ca9a cp_parser_init_declarator /home/dimhen/src/gcc_current/gcc/cp/parser.c:17082 0x72e4c6 cp_parser_simple_declaration /home/dimhen/src/gcc_current/gcc/cp/parser.c:11548 0x72e873 cp_parser_block_declaration /home/dimhen/src/gcc_current/gcc/cp/parser.c:11429 0x70fb59 cp_parser_declaration /home/dimhen/src/gcc_current/gcc/cp/parser.c:11326 0x73c0fa cp_parser_declaration_seq_opt /home/dimhen/src/gcc_current/gcc/cp/parser.c:11212 0x73c437 cp_parser_translation_unit /home/dimhen/src/gcc_current/gcc/cp/parser.c:4102 0x73c437 c_parse_file() /home/dimhen/src/gcc_current/gcc/cp/parser.c:32222 0x86ed62 c_common_parse_file() /home/dimhen/src/gcc_current/gcc/c-family/c-opts.c:1039 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. $ LANG=C /usr/local/gcc_current/bin/g++ -v Using built-in specs. COLLECT_GCC=/usr/local/gcc_current/bin/g++ COLLECT_LTO_WRAPPER=/usr/local/gcc_current/libexec/gcc/x86_64-unknown-linux-gnu/5.0.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: /home/dimhen/src/gcc_current/configure --prefix=/usr/local/gcc_current/ --enable-languages=c,c++,lto --enable-plugin=yes --enable-static Thread model: posix gcc version 5.0.0 20141214 (experimental) [trunk revision 218716] (GCC)