Chore: Optimize binary size.

Author: dylan-sutton-chavez

.github/workflows/_wasm.yml

@@ -18,7 +18,9 @@ jobs:
         with:
           workspaces: compiler
 
-      - uses: dtolnay/rust-toolchain@stable
+      - uses: dtolnay/rust-toolchain@nightly
+        with:
+          components: rust-src
 
       - name: Install wasm target
         run: rustup target add wasm32-unknown-unknown
@@ -31,7 +33,8 @@ jobs:
           wasm-opt --version
 
       - name: Build
-        run: cargo build --target wasm32-unknown-unknown --features wasm --lib --release
+        run: |
+          cargo +nightly build --target wasm32-unknown-unknown --features wasm --lib --release -Z build-std=core,alloc,panic_abort -Z build-std-features=panic_immediate_abort
         working-directory: compiler
 
       - name: Size (unoptimized)

compiler/.cargo/config.toml

@@ -0,0 +1,11 @@
+# .cargo/config.toml
+
+[target.wasm32-unknown-unknown]
+rustflags = [
+    "-Zlocation-detail=none",
+    "-Zfmt-debug=none",
+]
+
+[unstable]
+build-std = ["core", "alloc", "panic_abort"]
+build-std-features = ["panic_immediate_abort"]