Title: [155457] trunk/Source/_javascript_Core
- Revision
- 155457
- Author
- [email protected]
- Date
- 2013-09-10 11:29:45 -0700 (Tue, 10 Sep 2013)
Log Message
Don't GC while in the OSR-triggered jettison code
https://bugs.webkit.org/show_bug.cgi?id=121106
Reviewed by Mark Hahnenberg.
* dfg/DFGOperations.cpp:
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (155456 => 155457)
--- trunk/Source/_javascript_Core/ChangeLog 2013-09-10 17:55:52 UTC (rev 155456)
+++ trunk/Source/_javascript_Core/ChangeLog 2013-09-10 18:29:45 UTC (rev 155457)
@@ -1,5 +1,14 @@
2013-09-10 Filip Pizlo <[email protected]>
+ Don't GC while in the OSR-triggered jettison code
+ https://bugs.webkit.org/show_bug.cgi?id=121106
+
+ Reviewed by Mark Hahnenberg.
+
+ * dfg/DFGOperations.cpp:
+
+2013-09-10 Filip Pizlo <[email protected]>
+
jsc commandline's run() function should take extra arguments
https://bugs.webkit.org/show_bug.cgi?id=121098
Modified: trunk/Source/_javascript_Core/dfg/DFGOperations.cpp (155456 => 155457)
--- trunk/Source/_javascript_Core/dfg/DFGOperations.cpp 2013-09-10 17:55:52 UTC (rev 155456)
+++ trunk/Source/_javascript_Core/dfg/DFGOperations.cpp 2013-09-10 18:29:45 UTC (rev 155457)
@@ -1984,6 +1984,10 @@
extern "C" void DFG_OPERATION triggerReoptimizationNow(CodeBlock* codeBlock)
{
+ // It's sort of preferable that we don't GC while in here. Anyways, doing so wouldn't
+ // really be profitable.
+ DeferGCForAWhile deferGC(codeBlock->vm()->heap);
+
if (Options::verboseOSR())
dataLog(*codeBlock, ": Entered reoptimize\n");
// We must be called with the baseline code block.
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