[Bug middle-end/107990] New: ICE: in vague_linkage_p, at cp/decl2.cc:2231 with -fno-elide-constructors -fno-weak

[Bug middle-end/107990] New: ICE: in vague_linkage_p, at cp/decl2.cc:2231 with -fno-elide-constructors -fno-weak

[zsojka at seznam dot cz]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107990

            Bug ID: 107990
           Summary: ICE: in vague_linkage_p, at cp/decl2.cc:2231 with
                    -fno-elide-constructors -fno-weak
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: zsojka at seznam dot cz
  Target Milestone: ---
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu

Created attachment 54028
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54028&action=edit
reduced testcase

Compiler output:
$ x86_64-pc-linux-gnu-g++ -fno-elide-constructors -fno-weak testcase.C 
testcase.C: In instantiation of 'void sort(_RandomAccessIterator, _Compare)
[with _RandomAccessIterator = int; _Compare = vector::Sort()::<lambda()>]':
testcase.C:8:9:   required from here
testcase.C:8:14: internal compiler error: in vague_linkage_p, at
cp/decl2.cc:2231
    8 |     sort(0, [] {});
      |              ^
0x6e6eb4 vague_linkage_p(tree_node*)
        /repo/gcc-trunk/gcc/cp/decl2.cc:2231
0xea0ae0 start_preparsed_function(tree_node*, tree_node*, int)
        /repo/gcc-trunk/gcc/cp/decl.cc:17528
0xf6996f maybe_clone_body(tree_node*)
        /repo/gcc-trunk/gcc/cp/optimize.cc:557
0x103b485 expand_or_defer_fn_1(tree_node*)
        /repo/gcc-trunk/gcc/cp/semantics.cc:4823
0x103b748 expand_or_defer_fn(tree_node*)
        /repo/gcc-trunk/gcc/cp/semantics.cc:4854
0xf16fa8 synthesize_method(tree_node*)
        /repo/gcc-trunk/gcc/cp/method.cc:1840
0xecf9cf mark_used(tree_node*, int)
        /repo/gcc-trunk/gcc/cp/decl2.cc:5819
0xe0f18e build_over_call
        /repo/gcc-trunk/gcc/cp/call.cc:10223
0xe0d1a5 build_new_method_call(tree_node*, tree_node*, vec<tree_node*, va_gc,
vl_embed>**, tree_node*, int, tree_node**, int)
        /repo/gcc-trunk/gcc/cp/call.cc:11531
0xe0e31a build_special_member_call(tree_node*, tree_node*, vec<tree_node*,
va_gc, vl_embed>**, tree_node*, int, int)
        /repo/gcc-trunk/gcc/cp/call.cc:11009
0xeecbb9 expand_default_init
        /repo/gcc-trunk/gcc/cp/init.cc:2188
0xeecbb9 expand_aggr_init_1
        /repo/gcc-trunk/gcc/cp/init.cc:2307
0xeef46d build_aggr_init(tree_node*, tree_node*, int, int)
        /repo/gcc-trunk/gcc/cp/init.cc:2026
0xe9a192 build_aggr_init_full_exprs
        /repo/gcc-trunk/gcc/cp/decl.cc:7359
0xe9a192 check_initializer
        /repo/gcc-trunk/gcc/cp/decl.cc:7524
0xec06e9 cp_finish_decl(tree_node*, tree_node*, bool, tree_node*, int)
        /repo/gcc-trunk/gcc/cp/decl.cc:8593
0xff4bda tsubst_expr(tree_node*, tree_node*, int, tree_node*)
        /repo/gcc-trunk/gcc/cp/pt.cc:18847
0xff3ec5 tsubst_expr(tree_node*, tree_node*, int, tree_node*)
        /repo/gcc-trunk/gcc/cp/pt.cc:19017
0xffe2f5 tsubst_expr(tree_node*, tree_node*, int, tree_node*)
        /repo/gcc-trunk/gcc/cp/pt.cc:18628
0xffe2f5 instantiate_body
        /repo/gcc-trunk/gcc/cp/pt.cc:26584
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.


$ x86_64-pc-linux-gnu-g++ -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-g++
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r13-4497-20221206065114-g769370f3e2e-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/13.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--disable-bootstrap --with-cloog --with-ppl --with-isl
--build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu
--target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r13-4497-20221206065114-g769370f3e2e-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 13.0.0 20221206 (experimental) (GCC)

[Bug c++/107990] ICE: in vague_linkage_p, at cp/decl2.cc:2231 with -fno-elide-constructors -fno-weak and lambdas since r6-67-gefb5e8170a77bb24

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107990

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
                 CC|                            |jakub at gcc dot gnu.org,
                   |                            |marxin at gcc dot gnu.org
            Summary|ICE: in vague_linkage_p, at |ICE: in vague_linkage_p, at
                   |cp/decl2.cc:2231 with       |cp/decl2.cc:2231 with
                   |-fno-elide-constructors     |-fno-elide-constructors
                   |-fno-weak and lambdas       |-fno-weak and lambdas since
                   |                            |r6-67-gefb5e8170a77bb24
   Last reconfirmed|                            |2022-12-09
             Status|UNCONFIRMED                 |NEW

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
With -std=c++14, it started with r6-67-gefb5e8170a77bb24.