diff --git a/clang/test/Analysis/uninit-vals-ps-region.c b/clang/test/Analysis/uninit-vals-ps-region.c
index 870ca54e41a6..310939377505 100644
--- a/clang/test/Analysis/uninit-vals-ps-region.c
+++ b/clang/test/Analysis/uninit-vals-ps-region.c
@@ -12,6 +12,6 @@ void f4() {
   int a;
   if (global.data == 0)
     a = 3;
-  if (global.data == 0)
+  if (global.data == 0) // The true branch is infeasible.
     g(a); // no-warning
 }