[Bug tree-optimization/83603] New: [8 Regression] ICE in builtin_memref at gcc/gimple-ssa-warn-restrict.c:238

marxin at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Wed Dec 27 15:23:00 GMT 2017


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83603

            Bug ID: 83603
           Summary: [8 Regression] ICE in builtin_memref at
                    gcc/gimple-ssa-warn-restrict.c:238
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: msebor at gcc dot gnu.org
  Target Milestone: ---

Starting from Martin's commit r255755 we ICE on:

$ gcc /home/marxin/Programming/gcc/gcc/testsuite/gcc.target/i386/pr65523.c -O1
-Warray-bounds
during GIMPLE pass: wrestrict
/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/i386/pr65523.c: In
function ‘bar’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/i386/pr65523.c:8:1:
internal compiler error: Segmentation fault
 bar ()
 ^~~
0xbbb2df crash_signal
        ../../gcc/toplev.c:325
0x911358 builtin_memref
        ../../gcc/gimple-ssa-warn-restrict.c:238
0x91276b check_bounds_or_overlap(gcall*, tree_node*, tree_node*, tree_node*,
tree_node*, bool)
        ../../gcc/gimple-ssa-warn-restrict.c:1714
0x914682 check_call
        ../../gcc/gimple-ssa-warn-restrict.c:1685
0x914682 before_dom_children
        ../../gcc/gimple-ssa-warn-restrict.c:106
0x134f0a7 dom_walker::walk(basic_block_def*)
        ../../gcc/domwalk.c:308
0x90b109 execute
        ../../gcc/gimple-ssa-warn-restrict.c:120


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