https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87350
--- Comment #4 from Cheng Wen <wcventure at 126 dot com> --- Yes. One input test case is "_GLOBAL_$D$__tf30___0__". Another input test case is "__thunk_0__0__$__H1". I see that you can you can reproduce this error. Do you know the reason for this bug?