CI cargo test added

.github/workflows/ci.yml

@@ -94,6 +94,11 @@ jobs:
     - name: Run tests
       run: |
         ./y.sh test --release --clean --build-sysroot ${{ matrix.commands }}
+
+    - name: Run y.sh cargo build
+      run: |
+        export RUSTFLAGS="-Zcodegen-backend=$(pwd)/target/release/librustc_codegen_gcc.so"
+        ./y.sh cargo build --manifest-path tests/hello_world/Cargo.toml
 
     - name: Check formatting
       run: cargo fmt -- --check

tests/hello-world/Cargo.toml

@@ -0,0 +1,4 @@
+[package]
+name = "hello_world"
+
+[dependencies]

tests/hello-world/src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}