https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98926
--- Comment #4 from seurer at gcc dot gnu.org ---
This one is from powerpc64 LE. Same traceback I think.
g:6e0a231a4aa2407bb7167daf98a37795a67364d8, r11-7011
make -k check-gcc RUNTESTFLAGS="lto.exp=g++.dg/lto/pr65549_0.C"
# of unexpected failures 2
# of unresolved testcases 4
spawn -ignore SIGHUP
/home/seurer/gcc/git/build/gcc-test2/gcc/testsuite/g++/../../xg++
-B/home/seurer/gcc/git/build/gcc-test2/gcc/testsuite/g++/../../
-fdiagnostics-plain-output -nostdinc++
-I/home/seurer/gcc/git/build/gcc-test2/powerpc64-unknown-linux-gnu/libstdc++-v3/include/powerpc64-unknown-linux-gnu
-I/home/seurer/gcc/git/build/gcc-test2/powerpc64-unknown-linux-gnu/libstdc++-v3/include
-I/home/seurer/gcc/git/gcc-test2/libstdc++-v3/libsupc++
-I/home/seurer/gcc/git/gcc-test2/libstdc++-v3/include/backward
-I/home/seurer/gcc/git/gcc-test2/libstdc++-v3/testsuite/util -fmessage-length=0
-std=gnu++14 -flto -g -O2 -fno-inline -flto-partition=max -Wno-return-type -c
-o cp_lto_pr65549_0.o
/home/seurer/gcc/git/gcc-test2/gcc/testsuite/g++.dg/lto/pr65549_0.C
hash table checking failed: equal operator returns true for a pair of values
with a different hash value
/home/seurer/gcc/git/gcc-test2/gcc/testsuite/g++.dg/lto/pr65549_0.C: In
substitution of 'template<class _Res, class ... _ArgTypes> template<class,
class> using _Requires = int [with <template-parameter-2-1> = std::__and_<int>;
<template-parameter-2-2> = void; _Res = void; _ArgTypes = {}]':
/home/seurer/gcc/git/gcc-test2/gcc/testsuite/g++.dg/lto/pr65549_0.C:71:32:
required by substitution of 'template<class _Functor, class>
std::function<void()>::function(_Functor) [with _Functor = main()::<lambda()>;
<template-parameter-1-2> = <missing>]'
/home/seurer/gcc/git/gcc-test2/gcc/testsuite/g++.dg/lto/pr65549_0.C:144:4:
required from here
/home/seurer/gcc/git/gcc-test2/gcc/testsuite/g++.dg/lto/pr65549_0.C:71:32:
internal compiler error: in hashtab_chk_error, at hash-table.c:137
0x102b63b3 hashtab_chk_error()
/home/seurer/gcc/git/gcc-test2/gcc/hash-table.c:137
0x10645307 hash_table<spec_hasher, false, xcallocator>::verify(spec_entry*
const&, unsigned int)
/home/seurer/gcc/git/gcc-test2/gcc/hash-table.h:1033
0x10645503 hash_table<spec_hasher, false,
xcallocator>::find_with_hash(spec_entry* const&, unsigned int)
/home/seurer/gcc/git/gcc-test2/gcc/hash-table.h:918
0x105c9ba7 retrieve_specialization
/home/seurer/gcc/git/gcc-test2/gcc/cp/pt.c:1302
0x1062a013 instantiate_template_1
/home/seurer/gcc/git/gcc-test2/gcc/cp/pt.c:20973
0x1062a013 instantiate_template(tree_node*, tree_node*, int)
/home/seurer/gcc/git/gcc-test2/gcc/cp/pt.c:21099
0x105e1073 instantiate_alias_template
/home/seurer/gcc/git/gcc-test2/gcc/cp/pt.c:21137
0x105e1073 tsubst(tree_node*, tree_node*, int, tree_node*)
/home/seurer/gcc/git/gcc-test2/gcc/cp/pt.c:15395
0x106147ef type_unification_real
/home/seurer/gcc/git/gcc-test2/gcc/cp/pt.c:22318
0x10634503 fn_type_unification(tree_node*, tree_node*, tree_node*, tree_node*
const*, unsigned int, tree_node*, unification_kind_t, int, conversion**, bool,
bool)
/home/seurer/gcc/git/gcc-test2/gcc/cp/pt.c:21493
0x102d0ec3 add_template_candidate_real
/home/seurer/gcc/git/gcc-test2/gcc/cp/call.c:3441
0x102d1e1b add_template_candidate
/home/seurer/gcc/git/gcc-test2/gcc/cp/call.c:3529
0x102d1e1b add_candidates
/home/seurer/gcc/git/gcc-test2/gcc/cp/call.c:5955
0x102daa47 add_candidates
/home/seurer/gcc/git/gcc-test2/gcc/cp/call.c:4087
0x102daa47 build_user_type_conversion_1
/home/seurer/gcc/git/gcc-test2/gcc/cp/call.c:4087
0x102cd873 implicit_conversion_1
/home/seurer/gcc/git/gcc-test2/gcc/cp/call.c:2078
0x102cd873 implicit_conversion
/home/seurer/gcc/git/gcc-test2/gcc/cp/call.c:2118
0x102d01d3 add_function_candidate
/home/seurer/gcc/git/gcc-test2/gcc/cp/call.c:2428
0x102d1cf3 add_candidates
/home/seurer/gcc/git/gcc-test2/gcc/cp/call.c:5968
0x102e4eab add_candidates
/home/seurer/gcc/git/gcc-test2/gcc/cp/call.c:10459
