On 3/6/19 12:53 AM, Richard Biener wrote: > When running the gcc.target/i386/mpx/memmove-1.c testcase > from the GCC 8 branch on MPX capable hardware the testcase > faults and the kernel log reports the following: While I don't doubt that we have some MPX bugs around, I wasn't able to reproduce this one with that binary. Is there anything else that would help us track this down?