Apply the 95471 fix to SelectionDAGBuilder as well;
we can get in here if FastISel gives up in a block.
(Actually the two copies of this need to be unified.  Later.)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95579 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 93ae043..8b380c6 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -3760,6 +3760,8 @@
 
     MDNode *Variable = DI.getVariable();
     Value *Address = DI.getAddress();
+    if (!Address)
+      return 0;
     if (BitCastInst *BCI = dyn_cast<BitCastInst>(Address))
       Address = BCI->getOperand(0);
     AllocaInst *AI = dyn_cast<AllocaInst>(Address);