https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99805
Bug ID: 99805
Summary: filesystem::path::parent_path got a wrong path
Product: gcc
Version: 10.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: drfeng08 at gmail dot com
Target Milestone: ---
[work@centos7 ~]$ uname -a
Linux centos7 3.10.0-1160.11.1.el7.x86_64 #1 SMP Fri Dec 18 16:34:56 UTC 2020
x86_64 x86_64 x86_64 GNU/Linux
[work@centos7 ~]$ g++ --version
g++ (GCC) 10.2.1 20200804 (Red Hat 10.2.1-2)
Copyright (C) 2020 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.
[work@centos7 ~]$ which g++
/opt/rh/devtoolset-10/root/usr/bin/g++
[work@centos7 ~]$ cat ans8.cpp
#include <iostream>
#include <filesystem>
#include <string>
std::string get_path() {
static std::string path = "/ssd1/opt/stdpain/workspace";
return path;
}
int main() {
std::filesystem::path path(get_path());
std::filesystem::path path2 = path.parent_path();
std::cout << path << std::endl;
std::cout << path2 << std::endl;
}
output:
/ssd1/opt/stdpain/workspace
/ssd1/opt/stdpain/workspace
expect:
/ssd1/opt/stdpain/workspace
/ssd1/opt/stdpain/
