Index: lib/CodeGen/MachineScheduler.cpp
===================================================================
--- lib/CodeGen/MachineScheduler.cpp
+++ lib/CodeGen/MachineScheduler.cpp
@@ -440,6 +440,7 @@
 }
 
 /// A region of an MBB for scheduling.
+namespace {
 struct SchedRegion {
   /// RegionBegin is the first instruction in the scheduling region, and
   /// RegionEnd is either MBB->end() or the scheduling boundary after the
@@ -453,6 +454,7 @@
               unsigned N) :
     RegionBegin(B), RegionEnd(E), NumRegionInstrs(N) {}
 };
+} // end anonymous namespace
 
 typedef SmallVector<SchedRegion, 16> MBBRegionsVector;
 static void