When I executed the collatz test case in wasm, there was a crash.

[abc767234318]

Summary of the problem

I made some changes to the collatz.wasm file, and here is the result of my changes.
collatz.wasm.zip

Manticore version

Version: 0.3.7

Python version

Python 3.8.10

OS / Environment

No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 20.04.4 LTS
Release:	20.04
Codename:	focal

Dependencies

CVC4

Step to reproduce the behavior

python3 collatz.py

Expected behavior

No crash.

Actual behavior

Output following:

============ Example 1 ============

Traceback (most recent call last):
  File "collatz.py", line 24, in <module>
    m = ManticoreWASM("collatz.wasm")
  File "/home/ubuntu/.local/lib/python3.8/site-packages/manticore/wasm/manticore.py", line 31, in __init__
    initial_state = _make_initial_state(path_or_state, env, sup_env, **kwargs)
  File "/home/ubuntu/.local/lib/python3.8/site-packages/manticore/wasm/manticore.py", line 209, in _make_initial_state
    return _make_wasm_bin(binary_path, env=env, sup_env=sup_env, **kwargs)
  File "/home/ubuntu/.local/lib/python3.8/site-packages/manticore/wasm/manticore.py", line 227, in _make_wasm_bin
    platform = wasm.WASMWorld(program, constraints=constraints)
  File "/home/ubuntu/.local/lib/python3.8/site-packages/manticore/platforms/wasm.py", line 56, in __init__
    self.register_module(name, filename)
  File "/home/ubuntu/.local/lib/python3.8/site-packages/manticore/platforms/wasm.py", line 123, in register_module
    self.modules.append((Module.load(filename_or_alias), ModuleInstance(self.constraints)))
  File "/home/ubuntu/.local/lib/python3.8/site-packages/manticore/wasm/structure.py", line 369, in load
    [type_map[p_type] for p_type in ft.param_types],
  File "/home/ubuntu/.local/lib/python3.8/site-packages/manticore/wasm/structure.py", line 369, in <listcomp>
    [type_map[p_type] for p_type in ft.param_types],
KeyError: -32

Any relevant logs