Hi, I am a student and new starter to learn gcc. I try to recurrent the bug in this website https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90336. In this page, It says the bug was found in gcc version 10.0.0 20190503 (experimental) [trunk revision 270847] (GCC). I use git to clone the gcc source code from https://github.com/gcc-mirror/gcc.git, then use git log to check the committed version of gcc, finally used git reset to go back the old version. The problem is i can not find gcc version 10.0.0 20190503 (experimental) [trunk revision 270847] (GCC) in the git log. My question is: 1. How to find and install the specific version of gcc which is gcc version 10.0.0 20190503 (experimental) [trunk revision 270847] (GCC) ? 2. In this page https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90336, the bug finder use "gcc-trunk -v" command, but when i compile and install gcc, there is only "gcc --version" command, there is no gcc-trunk command to work. So how can i install gcc-trunk to recurrent the bug in the page? Wait for your reply. Thanks.