https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67354
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2015-08-26
CC| |trippels at gcc dot gnu.org
Summary|internal compiler error: in |[5/6 regression] internal
|add_to_same_comdat_group, |compiler error: in
|at symtab.c:421 |add_to_same_comdat_group,
| |at symtab.c:421
Ever confirmed|0 |1
--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
markus@x4 tmp % cat gccbug.ii
class A
{
};
template <typename _Tp>
void
make_shared ()
{
_Tp ();
}
class B : virtual A
{
public:
template <typename...> B () {}
};
auto f = make_shared<B>;
markus@x4 tmp % g++ -c -Os -std=gnu++11 gccbug.ii
gccbug.ii: In instantiation of ‘B::B() [with <template-parameter-1-1> = {}]’:
gccbug.ii:8:3: required from ‘void make_shared() [with _Tp = B]’
gccbug.ii:16:10: required from here
gccbug.ii:14:32: internal compiler error: in add_to_same_comdat_group, at
symtab.c:402
template <typename...> B () {}
^
0x8ea7b8 symtab_node::add_to_same_comdat_group(symtab_node*)
../../gcc/gcc/symtab.c:402
0x798fb7 maybe_thunk_body
../../gcc/gcc/cp/optimize.c:286
0x799dc4 maybe_clone_body(tree_node*)
../../gcc/gcc/cp/optimize.c:508
0x7696b3 expand_or_defer_fn_1(tree_node*)
../../gcc/gcc/cp/semantics.c:4101
0x7698e8 expand_or_defer_fn(tree_node*)
../../gcc/gcc/cp/semantics.c:4124
0x632be6 instantiate_decl(tree_node*, int, bool)
../../gcc/gcc/cp/pt.c:21181
0x677cc9 instantiate_pending_templates(int)
../../gcc/gcc/cp/pt.c:21275
0x6b9ea4 c_parse_final_cleanups()
../../gcc/gcc/cp/decl2.c:4534
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.
