对于g++版本gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~16.04)，当我像g++ -O3 <file>一样编译此代码并运行可执行文件时，应用程序会给出seg fault

#include <iostream>                                                                                                                                                                    
#include <cmath> 
#include <string>                                                                                                                                                                      
                                                                                                                                                                                       
void test() {                                                                                                                                                                          
  std::cout << "test: " << std::endl;                                                                                                                                                  
  std::cout << "init" << std::endl;                                                                                                                                                    
  std::cout << "inf" << std::endl;                                                                                                                                                     
  std::cout << std::to_string(INFINITY) << std::endl;                                                                                                                                  
  std::cout << "init done" << std::endl;                                                                                                                                               
}                                                                                                                                                                                      
                                                                                                                                                                                       
                                                                                                                                                                                       
int main ()                                                                                                                                                                            
{                                                                                                                                                                                      
  std::cout << "test: " << std::endl;                                                                                                                                                  
  std::cout << "init" << std::endl;                                                                                                                                                    
  std::cout << "inf" << std::endl;                                                                                                                                                     
  std::cout << std::to_string(INFINITY) << std::endl;                                                                                                                                  
  std::cout << "init done" << std::endl;                                                                                                                                               
  return 0;                                                                                                                                                                            
}                                                                                                                                                                                      
~

字符串
seg fault调用堆栈如下：

Program received signal SIGSEGV, Segmentation fault.
0x0000000000400f01 in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > __gnu_cxx::__to_xstring<std::__cxx11::basic_string<char, std::char_traits<char>, 
std::allocator<char> >, char>(int (*)(char*, unsigned long, char const*, __va_list_tag*), unsigned long, char const*, ...) [clone .constprop.20] ()
(gdb) bt
#0  0x0000000000400f01 in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > __gnu_cxx::__to_xstring<std::__cxx11::basic_string<char, std::char_traits<cha
r>, std::allocator<char> >, char>(int (*)(char*, unsigned long, char const*, __va_list_tag*), unsigned long, char const*, ...) [clone .constprop.20] ()
#1  0x0000000000400c63 in main ()

型
有趣的是，当我注解test函数时，它不会发生。.不确定这是否是内存损坏的情况
其他事实

*如果我不使用-O3，则不会发生此情况

Live demo的