[patch PR libstdc++/51135]: Fix [4.7 Regression] SIGSEGV during exception cleanup on win32

[Kai Tietz]

2011/12/12 Paolo Carlini <paolo.carlini@oracle.com>:
> On 12/12/2011 12:50 PM, Jonathan Wakely wrote:
>>
>> I think Paolo means:
>>
>> #ifdef _GLIBCXX_USE_THISCALL_ON_DTOR
>> typedef void (__thiscall *__cxxabi_dtor_type) (void *);
>> #else
>> typedef void (*__cxxabi_dtor_type) (void *);
>> #endif
>>
>> instead of testing __MINGW32__ and __i386__
>
> This for sure, but I think we could as well move the whole thing in the
> config file, like:
>
>    #ifndef _GLIBCXX_USE_THISCALL_ON_DTOR
>
>    typedef void (*__cxxabi_dtor_type) (void *);
>    #endif
>
> Paolo.

Fine,  nevertheless the test in os-config file for __i386__ is
required, as just for IA 32-bit this calling convention is for
interest.  Neither x64 nor ARM etc requires it.

Kai