When mips disassembler process `DecodeMem`, does not consider Mips::SC64, leading to `Operands.size() = 3`. And the right `Size` value is 4, when printMemOperand would occur asserts: `assert(idx < size());` Fix #157508.
When mips disassembler process `DecodeMem`, does not consider Mips::SC64, leading to `Operands.size() = 3`. And the right `Size` value is 4, when printMemOperand would occur asserts: `assert(idx < size());` Fix #157508.