fixup! .github/workflows/ci.yml: test Windows on ARM.

Author: dot-asm

.github/workflows/ci.yml

@@ -43,8 +43,6 @@ jobs:
         env | sort
         echo ---
         set
-        echo ---
-        go env || true
 
     - name: Install Rust
       if: ${{ runner.os == 'Windows' }} && ${{ runner.arch == 'ARM64' }}
@@ -168,11 +166,13 @@ jobs:
         rm -rf ~/.cargo/registry/index/*/.cache
 
     - name: Go
-      if: ${{ runner.os != 'Windows' }} || ${{ runner.arch != 'ARM64' }}
       shell: bash
       run: |
         go version 2>/dev/null || exit 0
-        if ! (grep -q -e '^flags.*\badx\b' /proc/cpuinfo) 2>/dev/null; then
+        if [ $OSTYPE = "msys" -a $RUNNER_ARCH = "ARM64" ]; then
+            export CC=clang
+            export CGO_CFLAGS="-O --target=aarch64-w64-windows-gnu"
+        elif ! (grep -q -e '^flags.*\badx\b' /proc/cpuinfo) 2>/dev/null; then
             export CGO_CFLAGS="-O -D__BLST_PORTABLE__"
         fi
         cd bindings/go