gcc 10.1 warning

[vondele]

reported https://groups.google.com/d/msg/fishcooking/3i7MgBgsFJM/VMreTlH8AAAJ

need to fix (patches welcome):

syzygy/tbprobe.cpp:451:47: warning: 'void* memset(void*, int, size_t)' clearing an object of type '{anonymous}::TBTables::Entry' {aka 'class std::tuple<long long unsigned int, {anonymous}::TBTable<<unnamed>::WDL>*, {anonymous}::TBTable<<unnamed>::DTZ>*>'} with no trivial copy-assignment; use assignment instead [-Wclass-memaccess]
  451 |         memset(hashTable, 0, sizeof(hashTable));
      |                                               ^
In file included from C:/msys64/mingw64/include/c++/10.1.0/mutex:38,
                 from syzygy/tbprobe.cpp:30:
C:/msys64/mingw64/include/c++/10.1.0/tuple:516:11: note: '{anonymous}::TBTables::Entry' {aka 'class std::tuple<long long unsigned int, {anonymous}::TBTable<<unnamed>::WDL>*, {anonymous}::TBTable<<unnamed>::DTZ>*>'} declared here
  516 |     class tuple : public _Tuple_impl<0, _Elements...>
      |           ^~~~~

[d3vv]

Hmm.. But what about to use "={0}" against memset? ;-)