code: function tryParseInline (s) {
      if (/INLINE/.test(s)) {
        // Use non greedy match so that INLINE and FUNCTION SOURCE items
        // on the same line don't interfere, else the INLINE function name
        // would contain everything up to the ) in FUNCTION SOURCE ()
        const [ match, inlinedFn ] = /INLINE \((.*?)\) id\{/.exec(s) || [ false ]
        // shouldn't not match though..
        if (match === false) return -1
  
        if (lastOptimizedFrame === null) return -1
        const { fn, file } = lastOptimizedFrame
        // could be a big problem if the fn doesn't match
        if (fn !== inlinedFn) return -1
  
        const key = `${fn} ${file}`
        inlined[key] = inlined[key] || []
        inlined[key].push(lastOptimizedFrame)
        return match.length
      }
      return 0
    }
docs: Try to parse an INLINE() item from the optimization log, returning the length of the parsed code. Returns 0 if it doesn't match and the line may be user output Returns -1 if it doesn't match and the line should be ignored