diff --git a/llvm/lib/Analysis/BasicAliasAnalysis.cpp b/llvm/lib/Analysis/BasicAliasAnalysis.cpp
index 568983ae65db..a831cf2846ad 100644
--- a/llvm/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/llvm/lib/Analysis/BasicAliasAnalysis.cpp
@@ -977,10 +977,7 @@ BasicAliasAnalysis::aliasGEP(const GEPOperator *GEP1, uint64_t V1Size,
   //
   // TODO: Returning PartialAlias instead of MayAlias is a mild hack; the
   // practical effect of this is protecting TBAA in the case of dynamic
-  // indices into arrays of unions. An alternative way to solve this would
-  // be to have clang emit extra metadata for unions and/or union accesses.
-  // A union-specific solution wouldn't handle the problem for malloc'd
-  // memory however.
+  // indices into arrays of unions or malloc'd memory.
   return PartialAlias;
 }