Merge pull request swiftlang#75482 from hjyamauchi/release/6.0

Author: shahmishal

utils/build.ps1

@@ -866,7 +866,7 @@ function Build-CMakeProject {
     }
 
     if ($UseBuiltCompilers.Contains("Swift")) {
-      $env:Path = "$($HostArch.SDKInstallRoot)\usr\bin;$($HostArch.BinaryCache)\cmark-gfm-0.29.0.gfm.13\src;$($HostArch.ToolchainInstallRoot)\usr\bin;${env:Path}"
+      $env:Path = "$($BuildArch.SDKInstallRoot)\usr\bin;$($BuildArch.BinaryCache)\cmark-gfm-0.29.0.gfm.13\src;$($BuildArch.ToolchainInstallRoot)\usr\bin;${env:Path}"
     } elseif ($UsePinnedCompilers.Contains("Swift")) {
       $env:Path = "$(Get-PinnedToolchainRuntime);${env:Path}"
     }
@@ -1718,7 +1718,7 @@ function Build-Driver($Arch) {
     -Bin (Get-HostProjectBinaryCache Driver) `
     -InstallTo "$($Arch.ToolchainInstallRoot)\usr" `
     -Arch $Arch `
-    -UseBuiltCompilers Swift `
+    -UseBuiltCompilers C,CXX,Swift `
     -SwiftSDK ([IO.Path]::Combine((Get-InstallDir $HostArch), "Platforms", "Windows.platform", "Developer", "SDKs", "Windows.sdk")) `
     -BuildTargets default `
     -Defines @{
@@ -1730,6 +1730,11 @@ function Build-Driver($Arch) {
       ArgumentParser_DIR = (Get-HostProjectCMakeModules ArgumentParser);
       SQLite3_INCLUDE_DIR = "$LibraryRoot\sqlite-3.43.2\usr\include";
       SQLite3_LIBRARY = "$LibraryRoot\sqlite-3.43.2\usr\lib\SQLite3.lib";
+      SWIFT_DRIVER_BUILD_TOOLS = "YES";
+      LLVM_DIR = "$(Get-HostProjectBinaryCache Compilers)\lib\cmake\llvm";
+      Clang_DIR = "$(Get-HostProjectBinaryCache Compilers)\lib\cmake\clang";
+      Swift_DIR = "$(Get-HostProjectBinaryCache Compilers)\tools\swift\lib\cmake\swift";
+      CMAKE_CXX_FLAGS = "-Xclang -fno-split-cold-code";
     }
 }