Unify grow mode and stub kind

test/mjsunit/elements-kind.js

Index: test/mjsunit/elements-kind.js
diff --git a/test/mjsunit/elements-kind.js b/test/mjsunit/elements-kind.js
index 92bdac740dddde0c5750100368cac4394bffb5ca..d95255605d45abda3880e3a79f9f8e32e135aeea 100644
--- a/test/mjsunit/elements-kind.js
+++ b/test/mjsunit/elements-kind.js
@@ -28,6 +28,10 @@
 // Flags: --allow-natives-syntax --smi-only-arrays --expose-gc
 // Flags: --notrack_allocation_sites
 
+// Limit the number of stress runs to reduce polymorphism it defeats some of
+// they assumptions made about how elements transitions work because transition
+// stubs end up going generic.  Flags: --stress-runs=2
+
 // Test element kind of objects.
 // Since --smi-only-arrays affects builtins, its default setting at compile
 // time sticks if built with snapshot.  If --smi-only-arrays is deactivated