Switch to fork of parity-wasm that can support bumpalo vectors

Cargo.lock

@@ -2774,9 +2774,8 @@ dependencies = [
 
 [[package]]
 name = "parity-wasm"
-version = "0.42.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be5e13c266502aadf83426d87d81a0f5d1ef45b8027f5a471c360abfe4bfae92"
+version = "0.44.0"
+source = "git+https://github.com/brian-carroll/parity-wasm?branch=master#373f655f64d2260a2e9665811f7b6ed17f9db705"
 
 [[package]]
 name = "parking_lot"

compiler/gen_wasm/Cargo.toml

@@ -10,7 +10,8 @@ roc_collections = { path = "../collections" }
 roc_module = { path = "../module" }
 roc_mono = { path = "../mono" }
 bumpalo = { version = "3.6.1", features = ["collections"] }
-parity-wasm = "0.42"
+# TODO: switch to parity-wasm 0.44 once it's out (allows bumpalo vectors in some places)
+parity-wasm = { git = "https://github.com/brian-carroll/parity-wasm", branch = "master" }
 
 roc_std = { path = "../../roc_std" }
 wasmer = "2.0.0"

compiler/gen_wasm/src/lib.rs

@@ -44,7 +44,7 @@ pub fn build_module<'a>(
     let (builder, _) = build_module_help(env, procedures)?;
     let module = builder.build();
     module
-        .to_bytes()
+        .into_bytes()
         .map_err(|e| -> String { format!("Error serialising Wasm module {:?}", e) })
 }