https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64042
--- Comment #3 from vries at gcc dot gnu.org --- > I run into this failure once. I meant: I run into this failure once in a while. It's sort of reproducible. In running the testcase a thousand times, it triggered 3 times: ... Segfault at 0x7f088a81f000 Unexpected bus error or segmentation fault Segfault at 0x7febfdf73000 Unexpected bus error or segmentation fault Segfault at 0x7f0af403c000 Unexpected bus error or segmentation fault ...