1 files changed, 3 insertions, 0 deletions
diff --git a/lib/AST/Type.cpp b/lib/AST/Type.cpp
index a7527e7ccf..1aab65ebec 100644
--- a/lib/AST/Type.cpp
+++ b/lib/AST/Type.cpp
@@ -277,6 +277,9 @@ QualType Type::getPointeeType() const {
 /// array types and types that contain variable array types in their
 /// declarator
 bool Type::isVariablyModifiedType() const {
+  // FIXME: We should really keep a "variably modified" bit in Type, rather
+  // than walking the type hierarchy to recompute it.
+  
   // A VLA is a variably modified type.
   if (isVariableArrayType())
     return true;