Add tests for UNC paths on windows builds

Author: theKidOfArcrania

.github/workflows/main.yml

@@ -19,6 +19,11 @@ jobs:
         - target: aarch64-unknown-linux-gnu
           os: ubuntu-latest
           rust: nightly
+        - target: aarch64-pc-windows-msvc
+          os: windows-latest
+          rust: nightly
+          test_unc: 1
+          no_std: 1
         - target: arm-unknown-linux-gnueabi
           os: ubuntu-latest
           rust: nightly
@@ -78,6 +83,7 @@ jobs:
         - target: i686-pc-windows-msvc
           os: windows-latest
           rust: nightly
+          test_unc: 1
         - target: x86_64-pc-windows-msvc
           os: windows-latest
           rust: nightly
@@ -109,6 +115,9 @@ jobs:
     - run: ./ci/run.sh ${{ matrix.target }}
       if: matrix.os != 'ubuntu-latest'
       shell: bash
+      env:
+        NO_STD: ${{ matrix.no_std }}
+        TEST_UNC: ${{ matrix.test_unc }}
 
     # Otherwise we use our docker containers to run builds
     - run: cargo generate-lockfile && ./ci/run-docker.sh ${{ matrix.target }}

ci/run.sh

@@ -32,6 +32,18 @@ else
     $run --features no-f16-f128 --release
 fi
 
+if [ "${TEST_UNC:-}" = "1" ]; then
+    run="cargo build --manifest-path testcrate/Cargo.toml --target $target --target-dir \"\\\\?\\$(pwd)\""
+    $run
+    $run --release
+    $run --features c
+    $run --features c --release
+    $run --features no-asm
+    $run --features no-asm --release
+    $run --features no-f16-f128
+    $run --features no-f16-f128 --release
+fi
+
 if [ -d /builtins-target ]; then
     rlib_paths=/builtins-target/"${target}"/debug/deps/libcompiler_builtins-*.rlib
 else