Convert RecordLayout::Size to CharUnits from bits. No changes to
functionality intended.

llvm-svn: 125156
diff --git a/clang/lib/CodeGen/CGObjCGNU.cpp b/clang/lib/CodeGen/CGObjCGNU.cpp
index 4f65ddd..d481e77 100644
--- a/clang/lib/CodeGen/CGObjCGNU.cpp
+++ b/clang/lib/CodeGen/CGObjCGNU.cpp
@@ -1437,7 +1437,8 @@
   }
 
   // Get the size of instances.
-  int instanceSize = Context.getASTObjCImplementationLayout(OID).getSize() / 8;
+  int instanceSize = 
+    Context.getASTObjCImplementationLayout(OID).getSize().getQuantity();
 
   // Collect information about instance variables.
   llvm::SmallVector<llvm::Constant*, 16> IvarNames;
@@ -1447,7 +1448,7 @@
   std::vector<llvm::Constant*> IvarOffsetValues;
 
   int superInstanceSize = !SuperClassDecl ? 0 :
-    Context.getASTObjCInterfaceLayout(SuperClassDecl).getSize() / 8;
+    Context.getASTObjCInterfaceLayout(SuperClassDecl).getSize().getQuantity();
   // For non-fragile ivars, set the instance size to 0 - {the size of just this
   // class}.  The runtime will then set this to the correct value on load.
   if (CGM.getContext().getLangOptions().ObjCNonFragileABI) {