[HACK] switch PR CI to x86_64-msvc-2.

Author: eddyb

.github/workflows/ci.yml

@@ -43,9 +43,11 @@ jobs:
           - name: mingw-check
             os: ubuntu-latest-xl
             env: {}
-          - name: x86_64-gnu-llvm-10
-            os: ubuntu-latest-xl
-            env: {}
+          - name: x86_64-msvc-2
+            env:
+              RUST_CONFIGURE_ARGS: "--build=x86_64-pc-windows-msvc --enable-profiler"
+              SCRIPT: make ci-subset-2
+            os: windows-latest-xl
           - name: x86_64-gnu-tools
             env:
               CI_ONLY_WHEN_SUBMODULES_CHANGED: 1

src/ci/github-actions/ci.yml

@@ -280,8 +280,11 @@ jobs:
           - name: mingw-check
             <<: *job-linux-xl
 
-          - name: x86_64-gnu-llvm-10
-            <<: *job-linux-xl
+          - name: x86_64-msvc-2
+            env:
+              RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --enable-profiler
+              SCRIPT: make ci-subset-2
+            <<: *job-windows-xl
 
           - name: x86_64-gnu-tools
             env: