https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96441

Arthur O'Dwyer <arthur.j.odwyer at gmail dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |arthur.j.odwyer at gmail dot 
com

--- Comment #2 from Arthur O'Dwyer <arthur.j.odwyer at gmail dot com> ---
Still there in trunk. Here's a very slightly reduced version:

// https://godbolt.org/z/8arT4Gn6P
enum a : int;
template<class = enum a : int {b}>;
template<> enum a : int {c};

====

<source>:2:35: error: expected unqualified-id before ';' token
    2 | template<class = enum a : int {b}>;
      |                                   ^
<source>:3:26: internal compiler error: Segmentation fault
    3 | template<> enum a : int {c};
      |                          ^
0x20037b9 internal_error(char const*, ...)
        ???:0
0x8c7150 build_enumerator(tree_node*, tree_node*, tree_node*, tree_node*,
unsigned int)
        ???:0
0xa0bea5 c_parse_file()
        ???:0
0xb92e22 c_common_parse_file()
        ???:0
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
  • [Bug c++/96441] ICE in tree ... arthur.j.odwyer at gmail dot com via Gcc-bugs

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