[Bug middle-end/64292] New: [5.0 regression] FAIL: g++.dg/torture/pr60474.C -O1 (internal compiler error)

["schwab at linux-m68k dot org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64292

            Bug ID: 64292
           Summary: [5.0 regression] FAIL: g++.dg/torture/pr60474.C   -O1
                    (internal compiler error)
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: schwab@linux-m68k.org
                CC: mpolacek at gcc dot gnu.org
            Target: m68k-*-*

$ gcc/xg++ -B gcc/ -S -O ../gcc/testsuite/g++.dg/torture/pr60474.C 
../gcc/testsuite/g++.dg/torture/pr60474.C: In function âvoid fn1(A<int>&, int
Layer::*, int)â:
../gcc/testsuite/g++.dg/torture/pr60474.C:12:6: internal compiler error: tree
check: expected boolean_type or enumeral_type or integer_type, have offset_type
in negate_expr_p, at fold-const.c:403
 void fn1 (A<int> &p1, int Layer::*p2, int p3)
      ^
0xe28144 tree_check_failed(tree_node const*, char const*, int, char const*,
...)
        ../../gcc/tree.c:9226
0x916519 any_integral_type_check
        ../../gcc/tree.h:3015
0x916519 negate_expr_p
        ../../gcc/fold-const.c:403
0x922f62 fold_binary_loc(unsigned int, tree_code, tree_node*, tree_node*,
tree_node*)
        ../../gcc/fold-const.c:10590
0x931baa fold_build2_stat_loc(unsigned int, tree_code, tree_node*, tree_node*,
tree_node*)
        ../../gcc/fold-const.c:14285
0xfacc9e add_elt_to_tree
        ../../gcc/tree-affine.c:439
0xfaeba2 aff_combination_to_tree(aff_tree*)
        ../../gcc/tree-affine.c:502
0xd0ff98 get_loop_invariant_expr_id
        ../../gcc/tree-ssa-loop-ivopts.c:4080
0xd0ff98 get_computation_cost_at
        ../../gcc/tree-ssa-loop-ivopts.c:4246
0xd12e1c get_computation_cost
        ../../gcc/tree-ssa-loop-ivopts.c:4328
0xd12e1c determine_use_iv_cost_generic
        ../../gcc/tree-ssa-loop-ivopts.c:4355
0xd12e1c determine_use_iv_cost
        ../../gcc/tree-ssa-loop-ivopts.c:4913
0xd15168 determine_use_iv_costs
        ../../gcc/tree-ssa-loop-ivopts.c:5033
0xd15168 tree_ssa_iv_optimize_loop
        ../../gcc/tree-ssa-loop-ivopts.c:6847
0xd15983 tree_ssa_iv_optimize()
        ../../gcc/tree-ssa-loop-ivopts.c:6893
0xd24250 execute
        ../../gcc/tree-ssa-loop.c:471

 <offset_type 0x7ffff6807348
    type <integer_type 0x7ffff66c4690 int sizes-gimplified public type_6 SI
        size <integer_cst 0x7ffff66c06f0 constant 32>
        unit size <integer_cst 0x7ffff66c0708 constant 4>
        align 16 symtab 0 alias set -1 canonical type 0x7ffff66c4690 precision
32 min <integer_cst 0x7ffff66c0930 -2147483648> max <integer_cst 0x7ffff66c0948
2147483647>
        pointer_to_this <pointer_type 0x7ffff66dd930>>
    public SI size <integer_cst 0x7ffff66c06f0 32> unit size <integer_cst
0x7ffff66c0708 4>
    align 16 symtab 0 alias set -1 canonical type 0x7ffff6807348 basetype
<record_type 0x7ffff67f57e0 Layer>>