Add missing citation.
llvm-svn: 39837
diff --git a/clang/AST/ASTContext.cpp b/clang/AST/ASTContext.cpp
index 5e640b6..63de528 100644
--- a/clang/AST/ASTContext.cpp
+++ b/clang/AST/ASTContext.cpp
@@ -171,7 +171,8 @@
// FIXME: need to use TargetInfo again
return sizeof(void *) * 8;
case Type::Reference:
- // seems that sizeof(T&) == sizeof(T) -- spec reference?
+ // "When applied to a reference or a reference type, the result is the size
+ // of the referenced type." C++98 5.3.3p2: expr.sizeof
return getTypeSize(cast<ReferenceType>(T)->getReferenceeType());
case Type::Complex:
case Type::Array: