On Tue, 30 Jan 2024, 10:35 Amol Surati via Gcc, <gcc@gcc.gnu.org> wrote:
> Hello, > > If a std attribute name is squeezed between 4x underscores, > Which is undefined behaviour, but shouldn't crash. the compiler (both 13.2 [1] and trunk [2]) experiences an ICE. > Bug reports belong in bugzilla, not on the mailing list please. https://gcc.gnu.org/bugs/ for e.g. when using [[____deprecated____]] int a; > > But, [[____depreated____]] int a; (i.e. the char 'c' removed from the > spelling) does not cause ICE. > > Clang does not crash. > > Stack trace with ICE: > > <source>:1:1: internal compiler error: in decl_attributes, at > attribs.cc:751 > 1 | [[____deprecated____]] int a; > | ^ > 0x1b49b1e internal_error(char const*, ...) > ???:0 > 0x6f805c fancy_abort(char const*, int, char const*) > ???:0 > 0x70f62d decl_attributes(tree_node**, tree_node*, int, tree_node*) > ???:0 > 0x728c0e start_decl(c_declarator*, c_declspecs*, bool, tree_node*, > bool, unsigned int*) > ???:0 > 0x7865dd c_parse_file() > ???:0 > 0x7e60b9 c_common_parse_file() > ???:0 > > Thank you, > Amol > > [1] https://godbolt.org/z/6PaMd9n6x > [2] https://godbolt.org/z/fc48q5PTW >
