https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99745
Bug ID: 99745
Summary: ICE when parameter pack not expanded in bit field
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: hewillk at gmail dot com
Target Milestone: ---
https://godbolt.org/z/dz1bcxhYf
template <typename... Ts>
struct S {
int a : sizeof(Ts);
};
S s;
<source>:3:11: internal compiler error: in dependent_type_p, at cp/pt.c:26775
3 | int a : sizeof(Ts);
| ^~~~~~~~~~
0x1cfa409 internal_error(char const*, ...)
???:0
0x6ba5f7 fancy_abort(char const*, int, char const*)
???:0
0x8f91c8 dependent_type_p(tree_node*)
???:0
0x9c3a1f cxx_sizeof_or_alignof_type(unsigned int, tree_node*, tree_code, bool,
bool)
???:0
0x9164a7 tsubst(tree_node*, tree_node*, int, tree_node*)
???:0
0x95a1a6 instantiate_class_template(tree_node*)
???:0
0x7b2bd0 cp_finish_decl(tree_node*, tree_node*, bool, tree_node*, int)
???:0
0x8e111d c_parse_file()
???:0
0xa5f9c2 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.
