[Bug c++/46289] [4.6 regression] ICE in build_constexpr_constructor_member_initializers, at cp/semantics.c:5513

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46289

Jason Merrill <jason at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jason at gcc dot gnu.org

--- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> 2010-11-03 
16:59:34 UTC ---
(In reply to comment #3)
> mutex() : _M_mutex(PTHREAD_MUTEX_INIT) { }
> 
> which is not portable.

Actually, it should work.  Here's a reduced testcase:

struct A
{
  int i[2];
};

struct B
{
  A a;
  constexpr B(): a({{1,2}}) { }
};