syntax_data: {"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"\"emit"}]}
source_snippet:         "emit the bc module with thin LTO info (default: yes)"),
context_before:     emit_thin_lto: bool = (true, parse_bool, [TRACKED],
context_after:     emscripten_wasm_eh: bool = (false, parse_bool, [TRACKED],