https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92056

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2019-10-10
                 CC|                            |msebor at gcc dot gnu.org
   Target Milestone|---                         |10.0
            Summary|ice in expr_object_size, at |[10 Regression] ice in
                   |tree-object-si ze.c:675     |expr_object_size, at
                   |with -O3                    |tree-object-si ze.c:675
                   |                            |with -O3
     Ever confirmed|0                           |1

--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
Confirmed.  Most likely caused by r276773.

during GIMPLE pass: strlen
In file included from ncgen.y:921:
ncgenl.c:1752:5: internal compiler error: in expr_object_size, at
tree-object-size.c:676
0x13635b1 expr_object_size
        /src/gcc/svn/gcc/tree-object-size.c:675
0x136435e cond_expr_object_size
        /src/gcc/svn/gcc/tree-object-size.c:909
0x13646b9 collect_object_sizes_for
        /src/gcc/svn/gcc/tree-object-size.c:987
0x1362f3f compute_builtin_object_size(tree_node*, int, unsigned long*,
tree_node**)
        /src/gcc/svn/gcc/tree-object-size.c:578
0x15430ae determine_min_objsize
        /src/gcc/svn/gcc/tree-ssa-strlen.c:3387
0x15435e8 get_len_or_size
        /src/gcc/svn/gcc/tree-ssa-strlen.c:3513
0x154367a strxcmp_eqz_result
        /src/gcc/svn/gcc/tree-ssa-strlen.c:3540
0x1543d8c handle_builtin_string_cmp
        /src/gcc/svn/gcc/tree-ssa-strlen.c:3727
0x15463b1 strlen_check_and_optimize_call
        /src/gcc/svn/gcc/tree-ssa-strlen.c:4654
0x1546d42 check_and_optimize_stmt
        /src/gcc/svn/gcc/tree-ssa-strlen.c:4794
0x1547878 strlen_dom_walker::before_dom_children(basic_block_def*)
        /src/gcc/svn/gcc/tree-ssa-strlen.c:5021
0x2063f44 dom_walker::walk(basic_block_def*)
        /src/gcc/svn/gcc/domwalk.c:309
0x1547b4c printf_strlen_execute
        /src/gcc/svn/gcc/tree-ssa-strlen.c:5087
0x1547de2 execute
        /src/gcc/svn/gcc/tree-ssa-strlen.c:5189

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