Insist that PhysicalMemory object have at least one connection.
Insist that PhysicalMemory object have at least one connection.

--HG--
extra : convert_revision : 36c33d25a3b23ac2094577aa504c24fac0f3ffcc

SanchayanMaity/gem5,rallylee/gem5,gem5/gem5,briancoutinho0905/2dsampling,austinharris/gem5-riscv,yb-kim/gemV,markoshorro/gem5,gedare/gem5,powerjg/gem5-ci-test,KuroeKurose/gem5,kaiyuanl/gem5,sobercoder/gem5,HwisooSo/gemV-update,gem5/gem5,samueldotj/TeeRISC-Simulator,samueldotj/TeeRISC-Simulator,yb-kim/gemV,powerjg/gem5-ci-test,HwisooSo/gemV-update,gem5/gem5,TUD-OS/gem5-dtu,sobercoder/gem5,SanchayanMaity/gem5,rjschof/gem5,HwisooSo/gemV-update,TUD-OS/gem5-dtu,samueldotj/TeeRISC-Simulator,SanchayanMaity/gem5,briancoutinho0905/2dsampling,gedare/gem5,SanchayanMaity/gem5,yb-kim/gemV,markoshorro/gem5,markoshorro/gem5,HwisooSo/gemV-update,qizenguf/MLC-STT,SanchayanMaity/gem5,markoshorro/gem5,rallylee/gem5,markoshorro/gem5,yb-kim/gemV,zlfben/gem5,aclifton/cpeg853-gem5,qizenguf/MLC-STT,rjschof/gem5,KuroeKurose/gem5,cancro7/gem5,Weil0ng/gem5,zlfben/gem5,cancro7/gem5,gem5/gem5,gem5/gem5,austinharris/gem5-riscv,KuroeKurose/gem5,HwisooSo/gemV-update,kaiyuanl/gem5,austinharris/gem5-riscv,Weil0ng/gem5,TUD-OS/gem5-dtu,kaiyuanl/gem5,joerocklin/gem5,SanchayanMaity/gem5,powerjg/gem5-ci-test,rallylee/gem5,austinharris/gem5-riscv,HwisooSo/gemV-update,powerjg/gem5-ci-test,rallylee/gem5,yb-kim/gemV,qizenguf/MLC-STT,Weil0ng/gem5,cancro7/gem5,rjschof/gem5,Weil0ng/gem5,aclifton/cpeg853-gem5,kaiyuanl/gem5,gem5/gem5,zlfben/gem5,kaiyuanl/gem5,zlfben/gem5,KuroeKurose/gem5,markoshorro/gem5,aclifton/cpeg853-gem5,gedare/gem5,rjschof/gem5,cancro7/gem5,KuroeKurose/gem5,qizenguf/MLC-STT,gedare/gem5,cancro7/gem5,powerjg/gem5-ci-test,joerocklin/gem5,austinharris/gem5-riscv,TUD-OS/gem5-dtu,cancro7/gem5,rjschof/gem5,briancoutinho0905/2dsampling,samueldotj/TeeRISC-Simulator,TUD-OS/gem5-dtu,KuroeKurose/gem5,Weil0ng/gem5,austinharris/gem5-riscv,Weil0ng/gem5,qizenguf/MLC-STT,joerocklin/gem5,briancoutinho0905/2dsampling,joerocklin/gem5,sobercoder/gem5,briancoutinho0905/2dsampling,sobercoder/gem5,samueldotj/TeeRISC-Simulator,qizenguf/MLC-STT,SanchayanMaity/gem5,joerocklin/gem5,qizenguf/MLC-STT,yb-kim/gemV,rallylee/gem5,gedare/gem5,sobercoder/gem5,kaiyuanl/gem5,aclifton/cpeg853-gem5,powerjg/gem5-ci-test,gedare/gem5,TUD-OS/gem5-dtu,cancro7/gem5,gem5/gem5,samueldotj/TeeRISC-Simulator,zlfben/gem5,briancoutinho0905/2dsampling,aclifton/cpeg853-gem5,aclifton/cpeg853-gem5,rjschof/gem5,zlfben/gem5,KuroeKurose/gem5,markoshorro/gem5,Weil0ng/gem5,kaiyuanl/gem5,aclifton/cpeg853-gem5,HwisooSo/gemV-update,sobercoder/gem5,rallylee/gem5,gedare/gem5,joerocklin/gem5,rjschof/gem5,yb-kim/gemV,joerocklin/gem5,TUD-OS/gem5-dtu,briancoutinho0905/2dsampling,yb-kim/gemV,austinharris/gem5-riscv,zlfben/gem5,rallylee/gem5,samueldotj/TeeRISC-Simulator,sobercoder/gem5,joerocklin/gem5,powerjg/gem5-ci-test