fix wasm executor compile error
@@ -120,6 +120,7 @@ build it. Ensure you have Rust and the support software installed:
curl https://sh.rustup.rs -sSf | sh
rustup update nightly
rustup target add wasm32-unknown-unknown --toolchain nightly
+rustup component add llvm-tools-preview --toolchain=nightly
rustup update stable
cargo install --git https://github.com/alexcrichton/wasm-gc
sudo apt install cmake pkg-config libssl-dev git
