after bug 1683276, CompilationStencilSet doesn't contain separate field for initial stencil, and now both CompilationAtomCache in input and LifoAlloc are placed above delazifications. we could remove `delazificationAtomCache` and `allocForDelazifications` and share `CompilationStencil.input.atomCache` and `CompilationStencil.alloc`.
Bug 1686846 Comment 0 Edit History
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after bug 1683276, `CompilationStencilSet` doesn't contain separate field for initial stencil, and now both `CompilationAtomCache` in `input` and `LifoAlloc` are placed above delazifications in the struct hierarchy. we could remove `delazificationAtomCache` and `allocForDelazifications` and share `CompilationStencil.input.atomCache` and `CompilationStencil.alloc`.