[Bug bootstrap/63995] New: Bootstrap error with -mmpx -fcheck-pointer-bounds

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63995

            Bug ID: 63995
           Summary: Bootstrap error with -mmpx -fcheck-pointer-bounds
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Keywords: wrong-code
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: rguenth at gcc dot gnu.org
                CC: enkovich.gnu at gmail dot com
            Target: x86_64-*-*

/tmp/cceHGHa1.s: Assembler messages:
/tmp/cceHGHa1.s:12080: Error: symbol `__chkp_bounds_of_mode_inner' is already
defined
/tmp/cceHGHa1.s:12086: Error: symbol `__chkp_bounds_of_mode_nunits' is already
defined
make[3]: *** [insn-preds.o] Error 1

and similar fails for compiling alias.o during stage2

Did you ever try bootstrapping instrumtented GCC?  I tried

BOOT_CFLAGS="-O2 -g -fcheck-pointer-bounds -mmpx"