Fix compilation with clang after r22208

src/store-buffer.cc

Index: src/store-buffer.cc
diff --git a/src/store-buffer.cc b/src/store-buffer.cc
index a21ac2a76ea2d4d2c29ea42b4bf7d9ca4074263c..3745d91a8a417071b8f40262069ebee34deed332 100644
--- a/src/store-buffer.cc
+++ b/src/store-buffer.cc
@@ -403,20 +403,6 @@ void StoreBuffer::FindPointersToNewSpaceInRegion(
 }
 
 
-// Compute start address of the first map following given addr.
-static inline Address MapStartAlign(Address addr) {
-  Address page = Page::FromAddress(addr)->area_start();
-  return page + (((addr - page) + (Map::kSize - 1)) / Map::kSize * Map::kSize);
-}
-
-
-// Compute end address of the first map preceding given addr.
-static inline Address MapEndAlign(Address addr) {
-  Address page = Page::FromAllocationTop(addr)->area_start();
-  return page + ((addr - page) / Map::kSize * Map::kSize);
-}
-
-
 void StoreBuffer::IteratePointersInStoreBuffer(
     ObjectSlotCallback slot_callback,
     bool clear_maps) {