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Date: Mon, 25 Sep 2017 11:33:20 -0700 (PDT)
From: Steven Penny <svnpenn AT gmail DOT com>
Subject: Re: [ANNOUNCEMENT] [Updated] mingw64-{i686,x86_64} binutils, gcc (Test)
To: cygwin AT cygwin DOT com
References: <a339cc02-7fb0-1c5f-8e7c-d31056b974c5 AT gmail DOT com>
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User-Agent: Tryst/2.0.1 (github.com/svnpenn/tryst)

On Mon, 25 Sep 2017 14:17:28, JonY wrote:
> You can actually use Cygwin gdb to debug and see what went wrong,
> assuming the debug symbols are around.
> 
> Sorry if I'm not much help, kind of busy these days.

New command:

x86_64-w64-mingw32-g++ -g -static -o z z.cpp

Output:

(gdb) run
Starting program: /tmp/z 
[New Thread 5956.0xfe4]
Program received signal SIGSEGV, Segmentation fault.
std::ostream::sentry::sentry (this=this AT entry=0x22fd90, __os=...)
  at /cygdrive/i/szsz/tmpp/cygwin64/mingw64-x86_64/
  mingw64-x86_64-gcc-6.3.0-1.x86_64/src/gcc-6.3.0/libstdc++-v3/include/bits/
  ostream.tcc:51
51 /cygdrive/i/szsz/tmpp/cygwin64/mingw64-x86_64/
  mingw64-x86_64-gcc-6.3.0-1.x86_64/src/gcc-6.3.0/libstdc++-v3/include/bits/
  ostream.tcc: No such file or directory.
(gdb) backtrace
#0  std::ostream::sentry::sentry (this=this AT entry=0x22fd90, __os=...)
    at /cygdrive/i/szsz/tmpp/cygwin64/mingw64-x86_64/
    mingw64-x86_64-gcc-6.3.0-1.x86_64/src/gcc-6.3.0/libstdc++-v3/include/bits/
    ostream.tcc:51
#1  0x000000000049ece9 in std::__ostream_insert<char, std::char_traits<char> >
  (__out=..., 
  __s=__s AT entry=0x4ab031 <std::piecewise_construct+1> "cout test\n", __n=10)
  at /cygdrive/i/szsz/tmpp/cygwin64/mingw64-x86_64/
  mingw64-x86_64-gcc-6.3.0-1.x86_64/src/gcc-6.3.0/libstdc++-v3/include/bits/
  ostream_insert.h:82
#2  0x00000000004a3547 in std::operator<< <std::char_traits<char> > (
  __out=..., __s=0x4ab031 <std::piecewise_construct+1> "cout test\n")
  at /cygdrive/i/szsz/tmpp/cygwin64/mingw64-x86_64/
  mingw64-x86_64-gcc-6.3.0-1.x86_64/src/gcc-6.3.0/libstdc++-v3/include/std/
  ostream:561
#3  0x00000000004015e0 in main () at z.cpp:3


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