Andreas Kling 766567a9d5 LibJS: Compare Rust and C++ bytecode for lazily compiled functions ...

LIBJS_COMPARE_PIPELINES previously only compared top-level
script/eval/module bytecodes. Function bodies are compiled lazily
via compile_function(), and that path had no comparison at all.

Fix this by pairing each Rust-compiled SharedFunctionInstanceData
with its C++ counterpart during top-level compilation. When a
function is later lazily compiled, compile_function() runs both
pipelines and compares the bytecodes (crashing on mismatch, same
as the top-level comparisons). The pairing is done recursively so
nested functions are also covered.

2026-03-01 21:20:54 +01:00

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