Title: [284806] branches/safari-612-branch/Source/_javascript_Core
- Revision
- 284806
- Author
- [email protected]
- Date
- 2021-10-25 12:09:53 -0700 (Mon, 25 Oct 2021)
Log Message
Cherry-pick r284506. rdar://problem/84340372
canDoFastSpread should also check that the Structure is from the global object we're watching
https://bugs.webkit.org/show_bug.cgi?id=231976
<rdar://84340372>
Reviewed by Keith Miller.
* dfg/DFGGraph.cpp:
(JSC::DFG::Graph::canDoFastSpread):
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@284506 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Modified Paths
Diff
Modified: branches/safari-612-branch/Source/_javascript_Core/ChangeLog (284805 => 284806)
--- branches/safari-612-branch/Source/_javascript_Core/ChangeLog 2021-10-25 19:09:50 UTC (rev 284805)
+++ branches/safari-612-branch/Source/_javascript_Core/ChangeLog 2021-10-25 19:09:53 UTC (rev 284806)
@@ -1,5 +1,32 @@
2021-10-25 Null <[email protected]>
+ Cherry-pick r284506. rdar://problem/84340372
+
+ canDoFastSpread should also check that the Structure is from the global object we're watching
+ https://bugs.webkit.org/show_bug.cgi?id=231976
+ <rdar://84340372>
+
+ Reviewed by Keith Miller.
+
+ * dfg/DFGGraph.cpp:
+ (JSC::DFG::Graph::canDoFastSpread):
+
+
+ git-svn-id: https://svn.webkit.org/repository/webkit/trunk@284506 268f45cc-cd09-0410-ab3c-d52691b4dbfc
+
+ 2021-10-19 Saam Barati <[email protected]>
+
+ canDoFastSpread should also check that the Structure is from the global object we're watching
+ https://bugs.webkit.org/show_bug.cgi?id=231976
+ <rdar://84340372>
+
+ Reviewed by Keith Miller.
+
+ * dfg/DFGGraph.cpp:
+ (JSC::DFG::Graph::canDoFastSpread):
+
+2021-10-25 Null <[email protected]>
+
Cherry-pick r284467. rdar://problem/84327812
Wasm Table can take arbitrary default value
Modified: branches/safari-612-branch/Source/_javascript_Core/dfg/DFGGraph.cpp (284805 => 284806)
--- branches/safari-612-branch/Source/_javascript_Core/dfg/DFGGraph.cpp 2021-10-25 19:09:50 UTC (rev 284805)
+++ branches/safari-612-branch/Source/_javascript_Core/dfg/DFGGraph.cpp 2021-10-25 19:09:53 UTC (rev 284806)
@@ -1843,10 +1843,12 @@
if (!value.m_structure.isFinite())
return false;
- ArrayPrototype* arrayPrototype = globalObjectFor(node->child1()->origin.semantic)->arrayPrototype();
+ JSGlobalObject* globalObject = globalObjectFor(node->child1()->origin.semantic);
+ ArrayPrototype* arrayPrototype = globalObject->arrayPrototype();
bool allGood = true;
value.m_structure.forEach([&] (RegisteredStructure structure) {
allGood &= structure->hasMonoProto()
+ && structure->globalObject() == globalObject
&& structure->storedPrototype() == arrayPrototype
&& !structure->isDictionary()
&& structure->getConcurrently(m_vm.propertyNames->iteratorSymbol.impl()) == invalidOffset
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