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Exception when loading rustc compiled executable

See original GitHub issue

Exception while running job "Loading file":
Traceback (most recent call last):
  File "CppHeaderParser/CppHeaderParser.py", line 2206, in __init__
  File "ply/lex.py", line 389, in token
ply.lex.LexError: Scanning error. Illegal character '$'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "angrmanagement/data/instance.py", line 284, in _worker
  File "angrmanagement/data/jobs/job.py", line 45, in run
  File "angrmanagement/data/jobs/loading.py", line 88, in _run
  File "angr/project.py", line 227, in __init__
  File "angr/project.py", line 358, in _register_object
  File "angr/procedures/definitions/__init__.py", line 327, in get
    return self.get_stub(name, arch)  # get_stub() might use the mangled name to derive the function prototype
  File "angr/procedures/definitions/__init__.py", line 345, in get_stub
    stub.prototype = self._proto_from_demangled_name(demangled_name)
  File "angr/procedures/definitions/__init__.py", line 308, in _proto_from_demangled_name
    parsed, _ = parse_cpp_file(name, with_param_names=False)
  File "angr/sim_type.py", line 2078, in parse_cpp_file
  File "CppHeaderParser/CppHeaderParser.py", line 2387, in __init__
CppHeaderParser.CppHeaderParser.CppParseError: Not able to parse  on line 1 evaluating "_"
Error around:

This is the executable it fails on: cg_clif.zip For reference this is the build/bin/cg_clif file created when compiling https://github.com/bjorn3/rustc_codegen_cranelift/