add a comment to my last commit

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118212 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index 7ed1035c0f1b74731cf499cf4532305768a7ee46..8f87b2f23b8250b289b97a9333ad69c90550c798 100644 (file)
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -2738,6 +2738,7 @@ ASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) {
                            const_cast<IdentifierInfo *>(DNT->getIdentifier()));
     }    
 
+    // Do the same thing as above, but with dependent-named specializations.
     if (const DependentTemplateSpecializationType *DTST
           = T->getAs<DependentTemplateSpecializationType>()) {
       NestedNameSpecifier *Prefix