https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77482
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-09-05
CC| |trippels at gcc dot gnu.org
Known to work| |6.0
Summary|Segfault when compiling |[6/7 Regression] Segfault
|ill-formed constexpr code |when compiling ill-formed
| |constexpr code
Ever confirmed|0 |1
Known to fail| |6.2.1, 7.0
--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
markus@x4 tmp % echo "constexpr auto a;" | g++-6 -x c++ -
‘
<stdin>:1: confused by earlier errors, bailing out
markus@x4 tmp % echo "constexpr auto a;" | g++-5.4.1 -std=c++11 -x c++ -
<stdin>:1:16: error: declaration of ‘constexpr const auto a’ has no initializer
markus@x4 tmp % echo "constexpr auto a;" | g++-trunk -x c++ -
‘
Segmentation fault
0xd9fed7 crash_signal
../../gcc/gcc/toplev.c:336
0x7ff89ae1ac8f ???
/home/markus/glibc/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
0x73e043 dump_simple_decl
../../gcc/gcc/cp/error.c:965
0x73e5e5 dump_decl
../../gcc/gcc/cp/error.c:1071
0x749f91 decl_to_string
../../gcc/gcc/cp/error.c:2979
0x749f91 cp_printer
../../gcc/gcc/cp/error.c:3559
0x15484aa pp_format(pretty_printer*, text_info*)
../../gcc/gcc/pretty-print.c:643
0x153bde0 diagnostic_report_diagnostic(diagnostic_context*, diagnostic_info*)
../../gcc/gcc/diagnostic.c:941
0x153c0f8 diagnostic_impl
../../gcc/gcc/diagnostic.c:1064
0x153c94f error(char const*, ...)
../../gcc/gcc/diagnostic.c:1264
0x65d78a start_decl_1(tree_node*, bool)
../../gcc/gcc/cp/decl.c:5149
0x68a6c6 start_decl(cp_declarator const*, cp_decl_specifier_seq*, int,
tree_node*, tree_node*, tree_node**)
../../gcc/gcc/cp/decl.c:5079
0x783f5e cp_parser_init_declarator
../../gcc/gcc/cp/parser.c:18699
0x784b77 cp_parser_simple_declaration
../../gcc/gcc/cp/parser.c:12487
0x784ebd cp_parser_block_declaration
../../gcc/gcc/cp/parser.c:12363
0x78d6c0 cp_parser_declaration
../../gcc/gcc/cp/parser.c:12260
0x78c040 cp_parser_declaration_seq_opt
../../gcc/gcc/cp/parser.c:12139
0x78c3b2 cp_parser_translation_unit
../../gcc/gcc/cp/parser.c:4356
0x78c3b2 c_parse_file()
../../gcc/gcc/cp/parser.c:37673
0x8f8c02 c_common_parse_file()
../../gcc/gcc/c-family/c-opts.c:1073
