Re: [Mingw-users] g++ string array in struct crash

[Graeme P. <gp...@ms...>]

On 3/20/2015 1:30 PM, Greg Jung wrote:
> No need to justify -whatever- that should work, if it crashes a program ,,,
> But this isn't the mailing list to report it to.   It probably has
> little to do with mingw, anyway.
> Maybe gcc itself has a bug which manifested only then; maybe the bug
> is still there but
> the particular compilation method goes around it.  You should document
> this in bugzilla.
Done.
> On Thu, Mar 19, 2015 at 7:56 PM, Graeme Paterson <gp...@ms...> wrote:
>> Memory is cheap. I was translating a working program from basic. It has
>> a fixed size 3 dimensional array of strings with each dimension 'big
>> enough'. It uses a 4Mb stack. The example below is the minimum ( almost)
>> to produce the cash. I've since installed g++ (i686-posix-dwarf-rev1,
>> Built by MinGW-W64 project) 4.9.2; it doesn't crash.
>>
>> On 3/19/2015 5:49 PM, マーズ ho han keng wrote:
>>> Hello Graeme,
>>> why do you need so many strings?
>>>
>>> struct T { char arr[4065]; };
>>>
>>> or
>>>
>>> #include <string>
>>> #include <array>
>>>
>>> struct T { std::array<string, 4065> arr { "x", "y" }; };
>>> // wasting 4063 other strings
>>>
>>> Graeme Paterson wrote:
>>>
>>>> This crashes mingw g++ (GCC) 4.8.1, hangs linux - with
>>> bigger array.
>>>>> g++ stringArray.cc
>>>> #include <string>
>>>> struct T {
>>>>       std::string s[4065];
>>>> };
>>>> int main() {
>>>>       T m = {"x", "y"};
>>>> }
>>>>
>>>>
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>>
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