Bug 224579

Summary: [JSC] CodeBlock::m_alternative should be in DFG::CommonData
Product: WebKit Reporter: Yusuke Suzuki <ysuzuki>
Component: JavaScriptCoreAssignee: Yusuke Suzuki <ysuzuki>
Status: NEW ---    
Severity: Normal CC: webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

Description Yusuke Suzuki 2021-04-14 15:06:31 PDT
That's DFG / FTL only data field.
Comment 1 Yusuke Suzuki 2021-04-14 15:22:32 PDT
After that, sizeof(CodeBlock) becomes 256.
I'll also add `static_assert(sizeof(CodeBlock) <= 256, "Keep it small for memory saving");`
Comment 2 Radar WebKit Bug Importer 2021-04-21 15:07:18 PDT
<rdar://problem/76982110>