Work around CI issue with windows sdk 10.0.20348.0.

.github/workflows/ci.yml

@@ -404,6 +404,7 @@ jobs:
               RUST_CONFIGURE_ARGS: "--build=x86_64-pc-windows-msvc --host=aarch64-pc-windows-msvc --enable-full-tools --enable-profiler"
               SCRIPT: python x.py dist
               DIST_REQUIRE_ALL_TOOLS: 0
+              WINDOWS_SDK_20348_HACK: 1
             os: windows-latest-xl
           - name: dist-i686-mingw
             env:

src/ci/github-actions/ci.yml

@@ -635,6 +635,9 @@ jobs:
               SCRIPT: python x.py dist
               # RLS does not build for aarch64-pc-windows-msvc. See rust-lang/rls#1693
               DIST_REQUIRE_ALL_TOOLS: 0
+              # Hack around this SDK version, because it doesn't work with clang.
+              # See https://github.com/rust-lang/rust/issues/88796
+              WINDOWS_SDK_20348_HACK: 1
             <<: *job-windows-xl
 
           - name: dist-i686-mingw

src/ci/scripts/install-clang.sh

@@ -37,6 +37,12 @@ if isMacOS; then
     # `clang-ar` by accident.
     ciCommandSetEnv AR "ar"
 elif isWindows && [[ ${CUSTOM_MINGW-0} -ne 1 ]]; then
+
+    if [[ ${WINDOWS_SDK_20348_HACK-0} -eq 1 ]]; then
+        rm -rf '/c/Program Files (x86)/Windows Kits/10/include/10.0.20348.0'
+        mv '/c/Program Files (x86)/Windows Kits/10/include/'10.0.{19041,20348}.0
+    fi
+
     # If we're compiling for MSVC then we, like most other distribution builders,
     # switch to clang as the compiler. This'll allow us eventually to enable LTO
     # amongst LLVM and rustc. Note that we only do this on MSVC as I don't think