Add serialization support for ClassScopeFunctionSpecializationDecl.

llvm-svn: 137799
diff --git a/clang/lib/AST/DeclBase.cpp b/clang/lib/AST/DeclBase.cpp
index 5e5ec93..ca3f5b5 100644
--- a/clang/lib/AST/DeclBase.cpp
+++ b/clang/lib/AST/DeclBase.cpp
@@ -628,7 +628,8 @@
       isa<ParmVarDecl>(this) ||
       // FIXME: a ClassTemplateSpecialization or CXXRecordDecl can have
       // AS_none as access specifier.
-      isa<CXXRecordDecl>(this))
+      isa<CXXRecordDecl>(this) ||
+      isa<ClassScopeFunctionSpecializationDecl>(this))
     return;
 
   assert(Access != AS_none &&