No targets support line number info yet.

llvm-svn: 24513
diff --git a/llvm/lib/Target/Alpha/AlphaISelLowering.cpp b/llvm/lib/Target/Alpha/AlphaISelLowering.cpp
index df84d52..021c92d 100644
--- a/llvm/lib/Target/Alpha/AlphaISelLowering.cpp
+++ b/llvm/lib/Target/Alpha/AlphaISelLowering.cpp
@@ -97,6 +97,9 @@
 
   //Doesn't work yet
   setOperationAction(ISD::SETCC, MVT::f32,   Promote);
+
+  // We don't have line number support yet.
+  setOperationAction(ISD::LOCATION, MVT::Other, Expand);
   
   computeRegisterProperties();