Fix segfault in sinic
Fix segfault in sinic

dev/sinic.cc:
    check that there is a fault before testing the fault type

--HG--
extra : convert_revision : 0cc95ba660655766b779e77d912dbc685cd476a8

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