diff --git a/clang/test/Analysis/nullptr.cpp b/clang/test/Analysis/nullptr.cpp
index 89b4173..3f2bac1 100644
--- a/clang/test/Analysis/nullptr.cpp
+++ b/clang/test/Analysis/nullptr.cpp
@@ -50,3 +50,12 @@
   char **p = 0;
   delete *(p + 0); // expected-warning{{Dereference of null pointer}}
 }
+
+void zoo2() {
+  int **a = 0;
+  int **b = 0;
+  asm ("nop"
+      :"=a"(*a)
+      :"0"(*b) // expected-warning{{Dereference of null pointer}}
+      );
+}