diff --git a/test/Coverage/html-diagnostics.c b/test/Coverage/html-diagnostics.c
new file mode 100644
index 0000000..75d4e06
--- /dev/null
+++ b/test/Coverage/html-diagnostics.c
@@ -0,0 +1,15 @@
+// RUN: rm -rf %t &&
+// RUN: clang --html-diags=%t -checker-simple %s
+
+void f0(int x) {
+  int *p = &x;
+
+  if (x > 10) {
+    if (x == 22)
+      p = 0;
+  }
+
+  *p = 10;
+}
+
+