https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117425
--- Comment #2 from Yunbo Ni <yunboni at smail dot nju.edu.cn> --- (In reply to Sam James from comment #1) > (In reply to Yunbo Ni from comment #0) > > The version is gcc 4.7.3. > > When you say this, do you mean that is the first version you saw it on? Sorry for the misunderstanding I caused. I mean when I used earlier version of gcc, I didn't see the bug appear.