Migrated several tests from blink to V8 repository.

test/webkit/dfg-cfa-prove-put-by-id-simple-when-storing-to-specialized-function.js

Index: test/webkit/dfg-cfa-prove-put-by-id-simple-when-storing-to-specialized-function.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/dfg-cfa-prove-put-by-id-simple-when-storing-to-specialized-function.js
similarity index 70%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/dfg-cfa-prove-put-by-id-simple-when-storing-to-specialized-function.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..6953ffa466e7981e031c1a3e87cb08b81eb48e2b 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/dfg-cfa-prove-put-by-id-simple-when-storing-to-specialized-function.js
@@ -22,10 +22,34 @@
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 description(
-"Tests the behavior of Array.prototype.concat while the array is having a bad time due to one of the elements we are concatenating."
+"Checks that the DFG CFA does the right things if it proves that a put_by_id is a simple replace when storing to a specialized function property."
 );
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
+function foo(o, v) {
+    o.f = v;
+}
 
+// Warm up foo's put_by_id to make it look polymorphic.
+for (var i = 0; i < 100; ++i)
+    foo(i % 2 ? {a: 1} : {b: 2});
+
+function bar(f) {
+    foo(this, f);
+    return this.f();
+}
+
+function baz() {
+    debug("baz!");
+    return "baz";
+}
+
+for (var i = 0; i < 100; ++i)
+    shouldBe("bar.call({f:baz}, baz)", "\"baz\"");
+
+function fuzz() {
+    debug("fuzz!");
+    return "fuzz";
+}
+
+shouldBe("bar.call({f:baz}, fuzz)", "\"fuzz\"");