Info: IOLOGIC component phy0_oddr_txd_I[3] connected to PIO Bel X0/Y29/PIOC
Info: Packing constants..

Program received signal SIGSEGV, Segmentation fault.
0x000055555581d7b8 in std::_Hashtable<nextpnr_ecp5::IdString, std::pair<nextpnr_ecp5::IdString const, nextpnr_ecp5::PortInfo>, std::allocator<std::pair<nextpnr_ecp5::IdString const, nextpnr_ecp5::PortInfo> >, std::__detail::_Select1st, std::equal_to<nextpnr_ecp5::IdString>, std::hash<nextpnr_ecp5::IdString>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >::_M_find_before_node (__code=1141, __k=..., __n=0,
    this=0x55555cbabed8) at /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/include/g++-v8/bits/hashtable.h:1554
1554	    _Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal,
(gdb) bt
#0  0x000055555581d7b8 in std::_Hashtable<nextpnr_ecp5::IdString, std::pair<nextpnr_ecp5::IdString const, nextpnr_ecp5::PortInfo>, std::allocator<std::pair<nextpnr_ecp5::IdString const, nextpnr_ecp5::PortInfo> >, std::__detail::_Select1st, std::equal_to<nextpnr_ecp5::IdString>, std::hash<nextpnr_ecp5::IdString>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >::_M_find_before_node (__code=1141, __k=..., __n=0,
    this=0x55555cbabed8) at /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/include/g++-v8/bits/hashtable.h:1554
#1  std::_Hashtable<nextpnr_ecp5::IdString, std::pair<nextpnr_ecp5::IdString const, nextpnr_ecp5::PortInfo>, std::allocator<std::pair<nextpnr_ecp5::IdString const, nextpnr_ecp5::PortInfo> >, std::__detail::_Select1st, std::equal_to<nextpnr_ecp5::IdString>, std::hash<nextpnr_ecp5::IdString>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >::_M_find_node (__c=1141, __key=..., __bkt=0, this=0x55555cbabed8)
    at /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/include/g++-v8/bits/hashtable.h:654
#2  std::__detail::_Map_base<nextpnr_ecp5::IdString, std::pair<nextpnr_ecp5::IdString const, nextpnr_ecp5::PortInfo>, std::allocator<std::pair<nextpnr_ecp5::IdString const, nextpnr_ecp5::PortInfo> >, std::__detail::_Select1st, std::equal_to<nextpnr_ecp5::IdString>, std::hash<nextpnr_ecp5::IdString>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>::operator[] (this=this@entry=0x55555cbabed8, __k=...)
    at /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/include/g++-v8/bits/hashtable_policy.h:707
#3  0x00005555559c1bc5 in std::unordered_map<nextpnr_ecp5::IdString, nextpnr_ecp5::PortInfo, std::hash<nextpnr_ecp5::IdString>, std::equal_to<nextpnr_ecp5::IdString>, std::allocator<std::pair<nextpnr_ecp5::IdString const, nextpnr_ecp5::PortInfo> > >::operator[] (
    __k=..., this=<optimized out>) at /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/include/g++-v8/bits/unordered_map.h:973
#4  nextpnr_ecp5::Ecp5Packer::set_net_constant (this=this@entry=0x7fffffffd1d0, ctx=0x55555c82d120, orig=orig@entry=0x55555c8f4650,
    constnet=constnet@entry=0x55555cbfdc50, constval=constval@entry=false) at /home/tnt/projects/ecp5/nextpnr/ecp5/pack.cc:1371
#5  0x00005555559c57f8 in nextpnr_ecp5::Ecp5Packer::pack_constants (this=this@entry=0x7fffffffd1d0)
    at /home/tnt/projects/ecp5/nextpnr/ecp5/pack.cc:1408
#6  0x00005555559b5bc0 in nextpnr_ecp5::Ecp5Packer::pack (this=0x7fffffffd1d0) at /home/tnt/projects/ecp5/nextpnr/ecp5/pack.cc:2922
#7  nextpnr_ecp5::Arch::pack (this=0x55555c82d120) at /home/tnt/projects/ecp5/nextpnr/ecp5/pack.cc:2961
#8  0x0000555555801d90 in nextpnr_ecp5::CommandHandler::executeMain (this=0x7fffffffd8e0,
    ctx=std::unique_ptr<nextpnr_ecp5::Context> = {...}) at /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/include/g++-v8/bits/unique_ptr.h:342
#9  0x00005555558022d8 in nextpnr_ecp5::CommandHandler::exec (this=this@entry=0x7fffffffd8e0)
    at /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/include/g++-v8/bits/move.h:74
#10 0x00005555557f5794 in main (argc=<optimized out>, argv=<optimized out>) at /home/tnt/projects/ecp5/nextpnr/ecp5/main.cc:280