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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/108773] [13 Regression] ICE in gimplify_var_or_parm_decl,
 at gimplify.cc:3058 compiling ceph since r13-4563-g1e1847612d7f169f
Date: Mon, 13 Feb 2023 13:18:29 +0000
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X-Bugzilla-Component: c++
X-Bugzilla-Version: 13.0
X-Bugzilla-Keywords: needs-reduction
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108773

Martin Li=C5=A1ka <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |needs-reduction

--- Comment #4 from Martin Li=C5=A1ka <marxin at gcc dot gnu.org> ---
I'm not sure I'll be able to reduce it, btw. it crashes here:

#0  fancy_abort (file=3Dfile@entry=3D0x22c7288
"/home/marxin/Programming/gcc/gcc/gimplify.cc", line=3Dline@entry=3D3058,
function=3Dfunction@entry=3D0x22c6bab "gimplify_var_or_parm_decl") at
/home/marxin/Programming/gcc/gcc/diagnostic.cc:2219
#1  0x00000000007c1226 in gimplify_var_or_parm_decl (expr_p=3D0x7fffcfd6e33=
8) at
/home/marxin/Programming/gcc/gcc/gimplify.cc:3058
#2  0x0000000000ebcb6b in gimplify_expr (expr_p=3D0x7fffcfd6e338,
pre_p=3D0x7fffffffbbb0, post_p=3D0x7fffffffb0f8, gimple_test_f=3D0xeab4c0
<is_gimple_addressable(tree)>, fallback=3D3) at
/home/marxin/Programming/gcc/gcc/gimplify.cc:16822
#3  0x0000000000ec36d6 in gimplify_addr_expr (expr_p=3D0x7fffba8c6940,
pre_p=3D0x7fffffffbbb0, post_p=3D0x7fffffffb0f8) at
/home/marxin/Programming/gcc/gcc/gimplify.cc:6561
#4  0x0000000000ebce24 in gimplify_expr (expr_p=3D0x7fffba8c6940,
pre_p=3D0x7fffffffbbb0, post_p=3D0x7fffffffb0f8, gimple_test_f=3D0xe6fb70
<is_gimple_val(tree_node*)>, fallback=3D1) at
/home/marxin/Programming/gcc/gcc/gimplify.cc:16408
#5  0x0000000000ec8822 in gimplify_expr (post_p=3D0x0, allow_ssa=3Dtrue,
fallback=3D<optimized out>, gimple_test_f=3D<optimized out>, pre_p=3D0x7fff=
ffffbbb0,
expr_p=3D0x7fffba8c6940) at /home/marxin/Programming/gcc/gcc/gimplify.cc:17=
425
#6  gimplify_arg (arg_p=3D0x7fffba8c6940, pre_p=3D0x7fffffffbbb0,
call_location=3D1422861833, allow_ssa=3D<optimized out>) at
/home/marxin/Programming/gcc/gcc/gimplify.cc:3504
#7  0x0000000000ecbf1c in gimplify_call_expr (expr_p=3D0x7fffcb66aad8,
pre_p=3D0x7fffffffbbb0, want_value=3D<optimized out>) at
/home/marxin/Programming/gcc/gcc/gimplify.cc:3789
#8  0x0000000000ebd0ec in gimplify_expr (expr_p=3D0x7fffcb66aad8,
pre_p=3D0x7fffffffbbb0, post_p=3D0x7fffffffb308, gimple_test_f=3D0xeafb80
<is_gimple_stmt(tree)>, fallback=3D0) at
/home/marxin/Programming/gcc/gcc/gimplify.cc:16333
#9  0x0000000000ebf4e7 in gimplify_stmt (stmt_p=3D<optimized out>,
seq_p=3D0x7fffffffbbb0) at /home/marxin/Programming/gcc/gcc/gimplify.cc:7219

...
(gdb) p debug_tree(decl)
 <var_decl 0x7fffe72e9480 D.1471832
    type <record_type 0x7ffff6fe43f0 allocator sizes-gimplified addressable
needs-constructing cxx-odr-p type_1 type_4 type_5 type_6 BLK
        size <integer_cst 0x7ffff76420c0 constant 8>
        unit-size <integer_cst 0x7ffff76420d8 constant 1>
        align:8 warn_if_not_align:0 symtab:0 alias-set -1 canonical-type
0x7ffff6fe43f0
        fields <field_decl 0x7ffff6da0390 D.19596 type <record_type
0x7ffff6d96930 __new_allocator>
            ignored decl_6 BLK
/home/marxin/Programming/testcases/ceph.ii:10806:11
            size <integer_cst 0x7ffff7642000 constant 0> unit-size <integer=
_cst
0x7ffff7642000 0>
            align:8 warn_if_not_align:0 offset_align 8 decl_not_flexarray: 0
offset <integer_cst 0x7ffff7642000 0>
            bit-offset <integer_cst 0x7ffff7642048 constant 0> context
<record_type 0x7ffff6fe43f0 allocator> chain <function_decl 0x7ffff6d9ce00 =
__ct
>> context <namespace_decl 0x7ffff763c098 std>
        full-name "class std::allocator<char>"
        needs-constructor needs-destructor X() X(constX&) this=3D(X&) n_par=
ents=3D1
use_template=3D3 interface-only
        pointer_to_this <pointer_type 0x7ffff6d9d540> reference_to_this
<reference_type 0x7ffff6d9da80> chain <type_decl 0x7ffff6fe3980 allocator>>
    addressable used ignored read BLK
/home/marxin/Programming/testcases/ceph.ii:322049:24 size <integer_cst
0x7ffff76420c0 8> unit-size <integer_cst 0x7ffff76420d8 1>
    align:8 warn_if_not_align:0 context <function_decl 0x7ffff00ec500
hook_to_admin_command>>=