Fix a silly mistake in r167437.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167487 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGObjCMac.cpp b/lib/CodeGen/CGObjCMac.cpp
index 3b188ec..6c0b82b 100644
--- a/lib/CodeGen/CGObjCMac.cpp
+++ b/lib/CodeGen/CGObjCMac.cpp
@@ -2102,7 +2102,7 @@
         = LastFieldBitfieldOrUnnamed->getBitWidthValue(CGM.getContext());
       CharUnits Size =
           CharUnits::fromQuantity(
-            (BitFieldSize + ByteSizeInBits) / ByteSizeInBits);
+            (BitFieldSize + ByteSizeInBits - 1) / ByteSizeInBits);
       Size += LastBitfieldOrUnnamedOffset;
       UpdateRunSkipBlockVars(false,
                              getBlockCaptureLifetime(LastFieldBitfieldOrUnnamed->getType()),
@@ -4552,7 +4552,7 @@
       GC_IVAR skivar;
       skivar.ivar_bytepos = BytePos + LastBitfieldOrUnnamedOffset;
       skivar.ivar_size = CharUnits::fromQuantity(
-        (BitFieldSize + ByteSizeInBits) / ByteSizeInBits);
+        (BitFieldSize + ByteSizeInBits - 1) / ByteSizeInBits);
       SkipIvars.push_back(skivar);
     } else {
       assert(!LastFieldBitfieldOrUnnamed->getIdentifier() &&"Expected unnamed");