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From: "nathan at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/99153] [11 Regression] ICE: tree check: expected
 binding_vector, have overload in maybe_record_mergeable_decl, at
 cp/name-lookup.c:3562
Date: Fri, 19 Feb 2021 13:21:48 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99153

--- Comment #1 from Nathan Sidwell <nathan at gcc dot gnu.org> ---
I think this is a duplicate of 99071, which hadn't been done when Mattias
tested.=20=20

However, I am getting a different ICE:
devvm1702:235>./xg++ -B./ -nostdinc++
-I../x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu
-I../x86_64-pc-linux-gnu/libstdc++-v3/include
-I../../..//src/libstdc++-v3/libsupc++
-I../../../src/libstdc++-v3/include/backward
-I../../../src/libstdc++-v3/testsuite/util -std=3Dc++20 -fmodules-ts -x
c++-system-header iostream
devvm1702:236>./xg++ -B./ -nostdinc++
-I../x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu
-I../x86_64-pc-linux-gnu/libstdc++-v3/include
-I../../..//src/libstdc++-v3/libsupc++
-I../../../src/libstdc++-v3/include/backward
-I../../../src/libstdc++-v3/testsuite/util -std=3Dc++20 -fmodules-ts -x
c++-system-header utility
devvm1702:237>./xg++ -B./ -nostdinc++
-I../x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu
-I../x86_64-pc-linux-gnu/libstdc++-v3/include
-I../../..//src/libstdc++-v3/libsupc++
-I../../../src/libstdc++-v3/include/backward
-I../../../src/libstdc++-v3/testsuite/util -std=3Dc++20 -fmodules-ts -x
c++-system-header algorithm
../x86_64-pc-linux-gnu/libstdc++-v3/include/algorithm: internal compiler er=
ror:
in make_dependency, at cp/module.cc:12514
0xd06a9a depset::hash::make_dependency(tree_node*, depset::entity_kind)
        ../../../src/gcc/cp/module.cc:12514
0xd07ae1 depset::hash::add_dependency(tree_node*, depset::entity_kind)
        ../../../src/gcc/cp/module.cc:12712
0xcf24e0 trees_out::decl_node(tree_node*, walk_kind)
        ../../../src/gcc/cp/module.cc:8605
0xcf4a73 trees_out::tree_node(tree_node*)
        ../../../src/gcc/cp/module.cc:9168
0xce2700 trees_out::vec_chained_decls(tree_node*)
        ../../../src/gcc/cp/module.cc:4981
0xd02052 trees_out::write_class_def(tree_node*)
        ../../../src/gcc/cp/module.cc:11737

which does appear to be new.=