Dan Gohman

There's a decent chance that this is caused by [this line](https://github.com/tinygo-org/tinygo/blob/3e60eeb368f25f237a512e7553fd6d70f36dc74c/src/runtime/runtime_wasmentry.go#L19) in tinygo. The component adapter is a Wasm module that doesn't define its own memory; it imports the memory...

Ah, the issue appears to be more involved. If I understand [this code](https://github.com/tinygo-org/tinygo/blob/3e60eeb368f25f237a512e7553fd6d70f36dc74c/src/runtime/arch_tinygowasm.go#L78) correctly, TinyGo doesn't support users calling `memory.grow`, as it assumes its heap is contiguous. wasm-tools' adapter process...

@cfallin I've now removed you as a reviewer.