wasm-decompile crashes when trying to process [this WAT file](https://github.com/WebAssembly/wabt/files/12731218/test.zip). Interestingly enough, it works after being processed with wasm-opt. 

The full text of the error is: 

```
wabt-main/include/wabt/ir.h:62: const string& wabt::Var::name() const: Assertion `is_name()' failed.
```
wasm-decompile: Assertion `is_name()' failed.
This is a GitHub Issue
repo:wabt
owner:WebAssembly
Title : wasm-decompile: Assertion `is_name()' failed.
Issue date:

--- start body ---
wasm-decompile crashes when trying to process [this WAT file](https://github.com/WebAssembly/wabt/files/12731218/test.zip). Interestingly enough, it works after being processed with wasm-opt. 

The full text of the error is: 

```
wabt-main/include/wabt/ir.h:62: const string& wabt::Var::name() const: Assertion `is_name()' failed.
```
--- end body ---
