stop using DebugLoc::getUnknownLoc()


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100215 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
index bc4b33d..9f02772 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
@@ -306,10 +306,8 @@
   SelectionDAGBuilder(SelectionDAG &dag, TargetLowering &tli,
                       FunctionLoweringInfo &funcinfo,
                       CodeGenOpt::Level ol)
-    : CurDebugLoc(DebugLoc::getUnknownLoc()), SDNodeOrder(0),
-      TLI(tli), DAG(dag), FuncInfo(funcinfo), OptLevel(ol),
-      HasTailCall(false),
-      Context(dag.getContext()) {
+    : SDNodeOrder(0), TLI(tli), DAG(dag), FuncInfo(funcinfo), OptLevel(ol),
+      HasTailCall(false), Context(dag.getContext()) {
   }
 
   void init(GCFunctionInfo *gfi, AliasAnalysis &aa);