[Bug c++/53177] 20_util/function/cons/callable.cc failed with -m32 -march=corei7

["marc.glisse at normalesup dot org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53177

Marc Glisse <marc.glisse at normalesup dot org> changed:

           What    |Removed                     |Added
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                 CC|                            |marc.glisse at normalesup
                   |                            |dot org

--- Comment #4 from Marc Glisse <marc.glisse at normalesup dot org> 2012-05-02 00:54:38 UTC ---
(In reply to comment #2)
> I was seeing an ICE in the same place with an earlier version of the changes
> which caused this testcase regression.  I have only managed to reduce it to 10k
> lines so far - that delta-reduced file is attached, I haven't had time to try
> manually reducing it.

If you only want a small example causing the ICE, here is one (-std=c++0x is
enough, no need for -m32 or -march). If you want something that looks vaguely
like a valid C++ program, it's going to be bigger...

extern "C++" namespace __attribute__ ) template < } template < typename >
struct add_rvalue_reference ; template < _Tp > typename declval ( ) noexcept ;
struct { typedef long __type } struct { } template < typename _Res , typename
... _ArgTypes > class function < _Res ( _ArgTypes ) { _Signature_type (
_ArgTypes ) template < typename _Functor > using _Invoke decltype ( ( declval <
_Functor > ) ) template < typename , typename > struct _CheckResult { }
template < ; template < typename _Functor > using _Callable _CheckResult <
_Invoke < _Functor > , _Res > template < typename , typename > using _Requires
template < typename _Functor , typename = _Requires < _Callable < _Functor > ,
void > > function ( _Functor ; } ; f ( function < void > ) { f ( [ ] )