giles 7a4a6c8a85 Fix WASM stack overflow: make cek_run iterative ...

The CEK evaluator's cek_run was recursive (calls itself via cek_step).
Native OCaml handles deep recursion but wasm_of_ocaml compiles to JS
which has ~10K frame stack limit. Complex expressions (bytecode compiler)
exceeded this, causing "Maximum call stack size exceeded" in all WASM
bytecode compilation.

Replace recursive cek_run with iterative while loop — same semantics,
zero stack growth. Fixes sx_build_bytecode and browser-side evaluation.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-03-30 09:14:09 +00:00

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