Title: [224425] trunk/JSTests
- Revision
- 224425
- Author
- keith_mil...@apple.com
- Date
- 2017-11-03 13:31:00 -0700 (Fri, 03 Nov 2017)
Log Message
Add test for ic with side effects
https://bugs.webkit.org/show_bug.cgi?id=179268
Reviewed by Saam Barati.
* stress/put-inline-cache-side-effects.js: Added.
(let.i.of.objs.keys):
(f):
Modified Paths
Added Paths
Diff
Modified: trunk/JSTests/ChangeLog (224424 => 224425)
--- trunk/JSTests/ChangeLog 2017-11-03 20:19:05 UTC (rev 224424)
+++ trunk/JSTests/ChangeLog 2017-11-03 20:31:00 UTC (rev 224425)
@@ -1,3 +1,14 @@
+2017-11-03 Keith Miller <keith_mil...@apple.com>
+
+ Add test for ic with side effects
+ https://bugs.webkit.org/show_bug.cgi?id=179268
+
+ Reviewed by Saam Barati.
+
+ * stress/put-inline-cache-side-effects.js: Added.
+ (let.i.of.objs.keys):
+ (f):
+
2017-11-03 Mark Lam <mark....@apple.com>
CachedCall (and its clients) needs overflow checks.
Added: trunk/JSTests/stress/put-inline-cache-side-effects.js (0 => 224425)
--- trunk/JSTests/stress/put-inline-cache-side-effects.js (rev 0)
+++ trunk/JSTests/stress/put-inline-cache-side-effects.js 2017-11-03 20:31:00 UTC (rev 224425)
@@ -0,0 +1,30 @@
+let objs = new Array(1000);
+for (let i of objs.keys()) {
+ let o = {};
+ // Make the object an uncacheable dictionary.
+ o.foo = 1;
+ delete o.foo;
+ objs[i] = o;
+}
+
+function f(o) {
+ o.foo = 42;
+}
+
+for (let obj of objs) {
+ let setter = new Function(`
+ Object.defineProperty(this, "foo", {
+ writable: true,
+ configurable: true,
+ value: null
+ });
+ let o = Object.create(this);
+ // Need eval to get a new IC to flatten obj.
+ let str = "for (let i = 0; i < 1000; i++) o.foo";
+ eval(str);
+ `);
+
+ obj.__defineSetter__("foo", setter);
+ f(obj);
+ f(obj);
+}
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