g++ std::map initializing raises segmentation fault.
Marco Atzeri
marco.atzeri@gmail.com
Fri Jul 7 12:51:00 GMT 2017
On 06/07/2017 14:26, Masamichi Hosoda wrote:
> Hello,
>
> On Cygwin 2.8.1 x86_64, I've found that g++ std:map initializing
> may raise segmentation fault.
> The binary compiled with cygwin-devel-2.8.0-1
> does not raise segmentation fault
> even if on Cygwin 2.8.1 x86_64 environments.
>
> So I suspect cygwin-devel-2.8.1-1 is the cause.
>
> Here's sample code for reproduce.
>
> ```
> // foo.cc
> // g++ -std=c++11 foo.cc
>
> #include<iostream>
> #include<map>
>
> std::map<int, int> m
> {
> { 1, 1},
> { 2, 2}
> };
>
> int main ()
> {
> std::cout << "Hello World!" << std::endl;
> }
> ```
>
> I've reproduced it on both Windows 7 64 bit and Windows 10 64 bit.
>
> ```
> $ ./a
> Segmentation fault (core dumped)
>
I can not replicate.
$ uname -svr
CYGWIN_NT-6.1 2.8.1(0.312/5/3) 2017-07-03 14:11
$ ./a.exe
Hello World!
Please provide your cygcheck.out as attachment
> Problem reports: http://cygwin.com/problems.html
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