add test demonstrating addrLocal UB
add test demonstrating addrLocal UB

Github-Pull: #14728
Rebased-From: 8ebbef016928811756e46b9086067d1c826797a8

guncoin/guncoin,GroestlCoin/bitcoin,qtumproject/qtum,digibyte/digibyte,GroestlCoin/bitcoin,lbryio/lbrycrd,GroestlCoin/GroestlCoin,h4x3rotab/BTCGPU,gjhiggins/vcoincore,qtumproject/qtum,h4x3rotab/BTCGPU,vertcoin/vertcoin,BTCGPU/BTCGPU,guncoin/guncoin,vmp32k/litecoin,GroestlCoin/GroestlCoin,digibyte/digibyte,BTCGPU/BTCGPU,GroestlCoin/GroestlCoin,h4x3rotab/BTCGPU,qtumproject/qtum,BTCGPU/BTCGPU,GroestlCoin/bitcoin,vertcoin/vertcoin,thrasher-/litecoin,gjhiggins/vcoincore,guncoin/guncoin,gjhiggins/vcoincore,BTCGPU/BTCGPU,lbryio/lbrycrd,GroestlCoin/GroestlCoin,GroestlCoin/GroestlCoin,GroestlCoin/GroestlCoin,BTCGPU/BTCGPU,vertcoin/vertcoin,guncoin/guncoin,gjhiggins/vcoincore,digibyte/digibyte,h4x3rotab/BTCGPU,gjhiggins/vcoincore,qtumproject/qtum,qtumproject/qtum,vmp32k/litecoin,vertcoin/vertcoin,lbryio/lbrycrd,h4x3rotab/BTCGPU,GroestlCoin/bitcoin,h4x3rotab/BTCGPU,vmp32k/litecoin,qtumproject/qtum,thrasher-/litecoin,digibyte/digibyte,lbryio/lbrycrd,guncoin/guncoin,qtumproject/qtum,ahmedbodi/vertcoin,guncoin/guncoin,ahmedbodi/vertcoin,vmp32k/litecoin,digibyte/digibyte,ahmedbodi/vertcoin,vertcoin/vertcoin,lbryio/lbrycrd,thrasher-/litecoin,GroestlCoin/bitcoin,ahmedbodi/vertcoin,thrasher-/litecoin,vmp32k/litecoin,lbryio/lbrycrd,lbryio/lbrycrd,GroestlCoin/bitcoin,ahmedbodi/vertcoin,gjhiggins/vcoincore,digibyte/digibyte,vmp32k/litecoin,vertcoin/vertcoin,thrasher-/litecoin,BTCGPU/BTCGPU,ahmedbodi/vertcoin,thrasher-/litecoin