Bug? Why __seg_fs __seg_gs are visible while compiling through gcc and not while compiling through g++ (error) even if the statements are enclosed in 'extern "C" {...}' statements

To: gcc-help@xxxxxxx
Subject: Bug? Why __seg_fs __seg_gs are visible while compiling through gcc and not while compiling through g++ (error) even if the statements are enclosed in 'extern "C" {...}' statements
From: gkourtis--- via Gcc-help <gcc-help@xxxxxxxxxxx>
Date: Sat, 15 Jul 2023 16:01:47 +0300
Reply-to: "gkourtis@xxxxxxxxxxx" <gkourtis@xxxxxxxxxxx>
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.24) Gecko/20100317 Thunderbird/2.0.0.24 Mnenhy/0.7.6.666

I think there is some sort of bug !!!

When I compile throught gcc __seg_gs is visible, while if I use g++ itis not !!!


Should it be like that ?

Follow-Ups:
- Re: Bug? Why __seg_fs __seg_gs are visible while compiling through gcc and not while compiling through g++ (error) even if the statements are enclosed in 'extern "C" {...}' statements
  - From: Jonathan Wakely via Gcc-help
- Re: Bug? Why __seg_fs __seg_gs are visible while compiling through gcc and not while compiling through g++ (error) even if the statements are enclosed in 'extern "C" {...}' statements
  - From: Xi Ruoyao via Gcc-help