Make a reference const. No behavior change.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@229242 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index c05877843fb2aad6574215b97296e260774b90c4..7aaaf53cac9a6a776b693ae06252610789c18699 100644 (file)
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -3472,7 +3472,7 @@ Decl *Sema::ParsedFreeStandingDeclSpec(Scope *S, AccessSpecifier AS,
     return ActOnFriendTypeDecl(S, DS, TemplateParams);
   }
 
-  CXXScopeSpec &SS = DS.getTypeSpecScope();
+  const CXXScopeSpec &SS = DS.getTypeSpecScope();
   bool IsExplicitSpecialization =
     !TemplateParams.empty() && TemplateParams.back()->size() == 0;
   if (Tag && SS.isNotEmpty() && !Tag->isCompleteDefinition() &&