[Bug rtl-optimization/66048] New: [i386] ICE in create_pre_exit when both AVX and MPX are used

[ienkovich at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66048

            Bug ID: 66048
           Summary: [i386] ICE in create_pre_exit when both AVX and MPX
                    are used
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ienkovich at gcc dot gnu.org
  Target Milestone: ---

Created attachment 35485
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35485&action=edit
reproducer

>gcc mode-switch.cc -march=corei7-avx -mmpx -fcheck-pointer-bounds -O2 -c

mode-switch.cc: In function 'c1 test.chkp(c2, #'pointer_bounds_type' not
supported by dump_type#<type error>, void, ...)':
mode-switch.cc:13:1: internal compiler error: in create_pre_exit, at
mode-switching.c:464
 }
 ^
0x185874c create_pre_exit
        ../../gcc/gcc/mode-switching.c:450
0x18589cc optimize_mode_switching
        ../../gcc/gcc/mode-switching.c:547
0x1859c14 execute
        ../../gcc/gcc/mode-switching.c:905
0xe6ad44 gcc::pass_manager::execute_pass_mode_switching()
        ../../gcc/gcc/passes.c:167
0x12ddb20 rest_of_handle_insert_vzeroupper
        ../../gcc/gcc/config/i386/i386.c:2553
0x12ddbce execute
        ../../gcc/gcc/config/i386/i386.c:2589
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