Disengage DEBUG_LOC from non-PPC targets.

llvm-svn: 24919
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 5e4fb41..61d3aee 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -126,6 +126,7 @@
 
   // We don't have line number support yet.
   setOperationAction(ISD::LOCATION, MVT::Other, Expand);
+  setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand);
 
   if (X86ScalarSSE) {
     // Set up the FP register classes.