[Bug c++/70207] New: use of <iostream> causes segmentation fault

["katayama.hirofumi.mz at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70207

            Bug ID: 70207
           Summary: use of <iostream> causes segmentation fault
           Product: gcc
           Version: 5.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: katayama.hirofumi.mz at gmail dot com
  Target Milestone: ---

katahiromz:~ $ g++ --version
g++.exe (Rev2, Built by MSYS2 project) 5.3.0
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

katahiromz:~ $ cat hello.cpp
#include <iostream>

int main(void) {
    std::cout << "hello, world" << std::endl;
    return 0;
}
katahiromz:~ $ g++ -g -ggdb hello.cpp -o hello
katahiromz:~ $ ./hello.exe
Segmentation fault
katahiromz:~ $ gdb ./hello.exe
GNU gdb (GDB) 7.10.1
Copyright (C) 2015 Free Software Foundation, Inc.
...
(gdb) run
Starting program: C:\msys64\home\katahiromz\hello.exe
[New Thread 8488.0x248c]
[New Thread 8488.0x24d8]
[New Thread 8488.0x28f4]
[New Thread 8488.0x13d4]

Program received signal SIGSEGV, Segmentation fault.
0x6fea5aa2 in ?? () from C:\msys64\mingw32\bin\libstdc++-6.dll
(gdb) backtrace
#0  0x6fea5aa2 in ?? () from C:\msys64\mingw32\bin\libstdc++-6.dll
#1  0x6feefea7 in ?? () from C:\msys64\mingw32\bin\libstdc++-6.dll
#2  0x6fef4a39 in ?? () from C:\msys64\mingw32\bin\libstdc++-6.dll
#3  0x0040165a in main () at hello.cpp:4
(gdb)