Don't leak RegClass2VRegMap, which is now a new[] array instead of a

std::vector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106298 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/MachineRegisterInfo.cpp

@@ -37,6 +37,7 @@ MachineRegisterInfo::~MachineRegisterInfo() {
            "PhysRegUseDefLists has entries after all instructions are deleted");
 #endif
   delete [] PhysRegUseDefLists;
+  delete [] RegClass2VRegMap;
 }
 
 /// setRegClass - Set the register class of the specified virtual register.