Merge pull request #27800 from compnerd/genexp-less

Author: swift-ci

cmake/modules/SwiftWindowsSupport.cmake

@@ -84,9 +84,9 @@ endfunction()
 macro(swift_swap_compiler_if_needed target)
   if(NOT CMAKE_C_COMPILER_ID MATCHES Clang)
     if(CMAKE_SYSTEM_NAME STREQUAL CMAKE_HOST_SYSTEM_NAME)
-      get_target_property(IMPORTED clang IMPORTED)
-      if(IMPORTED)
-        set(CLANG_LOCATION $<TARGET_FILE_DIR:clang>)
+      if(SWIFT_BUILT_STANDALONE)
+        get_target_property(CLANG_LOCATION clang LOCATION)
+        get_filename_component(CLANG_LOCATION ${CLANG_LOCATION} DIRECTORY)
       else()
         set(CLANG_LOCATION ${LLVM_RUNTIME_OUTPUT_INTDIR})
       endif()