MIR Parser: Run the machine verifier after initializing machine functions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243128 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/MIRParser/MIRParser.cpp

@@ -325,6 +325,10 @@ bool MIRParserImpl::initializeMachineFunction(MachineFunction &MF) {
                                     PFS))
       return true;
   }
+  // FIXME: This is a temporary workaround until the reserved registers can be
+  // serialized.
+  MF.getRegInfo().freezeReservedRegs(MF);
+  MF.verify();
   return false;
 }