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@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@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@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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