Silence a GCC warning about a set-but-not-used variable in release builds.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152005 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/CodeGen/CGRecordLayoutBuilder.cpp b/lib/CodeGen/CGRecordLayoutBuilder.cpp
index 537daf9932..4878bd2371 100644
--- a/lib/CodeGen/CGRecordLayoutBuilder.cpp
+++ b/lib/CodeGen/CGRecordLayoutBuilder.cpp
@@ -576,6 +576,7 @@ void CGRecordLayoutBuilder::LayoutUnion(const RecordDecl *D) {
     }
   }
   if (unionAlign.isZero()) {
+    (void)hasOnlyZeroSizedBitFields;
     assert(hasOnlyZeroSizedBitFields &&
            "0-align record did not have all zero-sized bit-fields!");
     unionAlign = CharUnits::One();