Andreas Kling 3604259676 LibJS: Add off-thread function bytecode artifacts ...

Add Rust and C++ integration points for cloning lazy function compile
payloads, compiling them to GC-free bytecode off the main thread, and
materializing the result later on the main thread.

The cloned payload lets background compilation race with lazy
main-thread compilation without sharing AST ownership between threads.
Compiled function artifacts recursively include nested functions, so
materialization can discard the corresponding AST subtree.

2026-05-06 08:20:06 +02:00

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