Assert if InflightSet is not cleared after instruction selecting a BB.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28459 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/Sparc/SparcISelDAGToDAG.cpp

@@ -995,6 +995,7 @@ void SparcDAGToDAGISel::InstructionSelectBasicBlock(SelectionDAG &DAG) {
   
   // Select target instructions for the DAG.
   DAG.setRoot(SelectRoot(DAG.getRoot()));
+  assert(InFlightSet.empty() && "ISel InFlightSet has not been emptied!");
   CodeGenMap.clear();
   HandleMap.clear();
   ReplaceMap.clear();