Implement many KeyedStoreStubs using Crankshaft

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 d95255605d45abda3880e3a79f9f8e32e135aeea..0e8e209ef7e9ffdd16ced1017b6945a850fe5431 100644
--- a/test/mjsunit/elements-kind.js
+++ b/test/mjsunit/elements-kind.js
@@ -28,9 +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
+// Limit the number of stress runs to reduce polymorphism it defeats some of the
+// 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