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oliver@apple.com authored
fourthTier: Concurrent JIT shouldn't try to recompute the CodeBlockHash as part of debug dumps, since doing so may fail if dealing with a CachedScript that doesn't have its script string handy https://bugs.webkit.org/show_bug.cgi?id=117676 Reviewed by Sam Weinig. Source/JavaScriptCore: CodeBlock now caches m_hash, and the DFG Driver will force its computation if we're doing debug dumps of any kind. Also made sure that CodeBlock::CodeBlock initializes all of its fields; it was previously missing the initialization of m_capabilityLevelState. * bytecode/CodeBlock.cpp: (JSC::CodeBlock::hash): (JSC::CodeBlock::CodeBlock): * bytecode/CodeBlock.h: (CodeBlock): * bytecode/CodeBlockHash.cpp: (JSC::CodeBlockHash::CodeBlockHash): * bytecode/CodeBlockHash.h: (CodeBlockHash): (JSC::CodeBlockHash::isSet): (JSC::CodeBlockHash::operator!): * dfg/DFGDriver.cpp: (JSC::DFG::compile): Source/WebCore: Remove the broken hack for the concurrent JIT, since now the concurrent JIT won't use this code anymore. No new tests because no new behavior. * loader/cache/CachedScript.cpp: (WebCore::CachedScript::script): git-svn-id: http://svn.webkit.org/repository/webkit/trunk@153227 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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