Clear the compilation cache just before starting to do mark-sweep
garbage collections when receiving idle notifications. This allows us to get rid of source code strings and generated code in the heap that would otherwise be kept around in idle V8 instances. Review URL: http://codereview.chromium.org/450007 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3375 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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@ -2901,6 +2901,11 @@ bool Heap::IdleNotification() {
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last_gc_count = gc_count_;
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} else if (number_idle_notifications == kIdlesBeforeMarkSweep) {
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// Before doing the mark-sweep collections we clear the
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// compilation cache to avoid hanging on to source code and
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// generated code for cached functions.
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CompilationCache::Clear();
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CollectAllGarbage(false);
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new_space_.Shrink();
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last_gc_count = gc_count_;
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