code: def LLVMSymbolizerFactory(system):
      symbolizer_path = os.getenv("LLVM_SYMBOLIZER_PATH")
      if not symbolizer_path:
          # Assume llvm-symbolizer is in PATH.
          symbolizer_path = "llvm-symbolizer"
      return LLVMSymbolizer(symbolizer_path)
  
imports: import bisect
  import os
  import re
  import subprocess
  import sys
label_desc: Use image node_id 2 for calling a global function with example usage: LLVMSymbolizerFactory(system) and returns: LLVMSymbolizer