[EXPERIMENTAL] Try i686-msvc in PR CI

Author: jieyouxu

.github/workflows/ci.yml

@@ -65,6 +65,11 @@ jobs:
           - name: x86_64-gnu-tools
             os: ubuntu-20.04-16core-64gb
             env: {}
+          - name: i686-msvc
+            env:
+              RUST_CONFIGURE_ARGS: "--build=i686-pc-windows-msvc"
+              SCRIPT: make ci-msvc
+            os: windows-2019-8core-32gb
     defaults:
       run:
         shell: "${{ contains(matrix.os, 'windows') && 'msys2 {0}' || 'bash' }}"

src/ci/github-actions/ci.yml

@@ -365,6 +365,12 @@ jobs:
           - name: x86_64-gnu-tools
             <<: *job-linux-16c
 
+          - name: i686-msvc
+            env:
+              RUST_CONFIGURE_ARGS: --build=i686-pc-windows-msvc
+              SCRIPT: make ci-msvc
+            <<: *job-windows-8c
+
   auto:
     <<: *base-ci-job
     name: auto - ${{ matrix.name }}