Add constness for NestedNameSpecifier::Create parameter

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173274 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/AST/NestedNameSpecifier.h

@@ -117,7 +117,7 @@ public:
   /// \brief Builds a nested name specifier that names a namespace.
   static NestedNameSpecifier *Create(const ASTContext &Context,
                                      NestedNameSpecifier *Prefix,
-                                     NamespaceDecl *NS);
+                                     const NamespaceDecl *NS);
 
   /// \brief Builds a nested name specifier that names a namespace alias.
   static NestedNameSpecifier *Create(const ASTContext &Context,

lib/AST/NestedNameSpecifier.cpp

@@ -57,7 +57,8 @@ NestedNameSpecifier::Create(const ASTContext &Context,
 
 NestedNameSpecifier *
 NestedNameSpecifier::Create(const ASTContext &Context,
-                            NestedNameSpecifier *Prefix, NamespaceDecl *NS) {
+                            NestedNameSpecifier *Prefix,
+                            const NamespaceDecl *NS) {
   assert(NS && "Namespace cannot be NULL");
   assert((!Prefix ||
           (Prefix->getAsType() == 0 && Prefix->getAsIdentifier() == 0)) &&
@@ -65,7 +66,7 @@ NestedNameSpecifier::Create(const ASTContext &Context,
   NestedNameSpecifier Mockup;
   Mockup.Prefix.setPointer(Prefix);
   Mockup.Prefix.setInt(StoredNamespaceOrAlias);
-  Mockup.Specifier = NS;
+  Mockup.Specifier = const_cast<NamespaceDecl *>(NS);
   return FindOrInsert(Context, Mockup);
 }