1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Frontend/PCHReaderDecl.cpp b/lib/Frontend/PCHReaderDecl.cpp
index dd2d2825f8..b7d3b733c7 100644
--- a/lib/Frontend/PCHReaderDecl.cpp
+++ b/lib/Frontend/PCHReaderDecl.cpp
@@ -20,6 +20,7 @@
 #include "clang/AST/DeclCXX.h"
 #include "clang/AST/DeclTemplate.h"
 #include "clang/AST/Expr.h"
+#include "llvm/Support/Compiler.h"
 using namespace clang;
 
 
@@ -929,11 +930,11 @@ void PCHDeclReader::VisitClassTemplateSpecializationDecl(
                        = cast<ClassTemplateDecl>(Reader.GetDecl(Record[Idx++]));
     if (ClassTemplatePartialSpecializationDecl *Partial
             = dyn_cast<ClassTemplatePartialSpecializationDecl>(D)) {
-      ClassTemplatePartialSpecializationDecl *Inserted
+      ClassTemplatePartialSpecializationDecl *Inserted ATTRIBUTE_UNUSED
           = CanonPattern->getPartialSpecializations().GetOrInsertNode(Partial);
       assert(Inserted == Partial && "Already inserted!");
     } else {
-      ClassTemplateSpecializationDecl *Inserted
+      ClassTemplateSpecializationDecl *Inserted ATTRIBUTE_UNUSED
           = CanonPattern->getSpecializations().GetOrInsertNode(D);
       assert(Inserted == D && "Already inserted!");
     }