https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68595

            Bug ID: 68595
           Summary: ice in const_vector_mask_from_tree at expr.c:11455
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com
  Target Milestone: ---

Created attachment 36862
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36862&action=edit
C source code

$ ../results/bin/gcc -c -O3 -w bug251.c
qwe_0.c: In function ‘func_8’:
qwe_0.c:143:10: internal compiler error: in const_vector_mask_from_tree, at
expr.c:11455

0x8556c2 const_vector_mask_from_tree
        ../../src/trunk/gcc/expr.c:11455
0x8556c2 const_vector_from_tree
        ../../src/trunk/gcc/expr.c:11477
0x8556c2 expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
        ../../src/trunk/gcc/expr.c:9745
0x863bc3 expand_expr_real(tree_node*, rtx_def*, machine_mode, expand_modifier,
rtx_def**, bool)

gcc trunk dated 20151127

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