Swift: Verify setting sizeof_void_p

Adding a test to verify that we are setting the data pointer size and
`CMAKE_SIZEOF_VOID_P` in a test that only enables Swift.

Tests/RunCMake/CMakeLists.txt

@@ -621,6 +621,7 @@ add_RunCMake_test(ScriptMode)
 add_RunCMake_test(StandardLinkDirectories)
 add_RunCMake_test(Swift -DCMAKE_SYSTEM_NAME=${CMAKE_SYSTEM_NAME}
                         -DCMake_TEST_Swift=${CMake_TEST_Swift}
+                        -DCMAKE_Swift_COMPILER_VERSION=${CMAKE_Swift_COMPILER_VERSION}
                         -DXCODE_VERSION=${XCODE_VERSION})
 add_RunCMake_test(TargetArtifacts -DCMAKE_SYSTEM_NAME=${CMAKE_SYSTEM_NAME})
 add_RunCMake_test(TargetObjects)

Tests/RunCMake/Swift/RunCMakeTest.cmake

@@ -74,6 +74,11 @@ block()
   endif()
 endblock()
 
+if(CMAKE_Swift_COMPILER_VERSION VERSION_GREATER_EQUAL 6.2
+    OR XCODE_VERSION VERSION_GREATER_EQUAL 26)
+  run_cmake(SwiftPtrSize)
+endif()
+
 if(RunCMake_GENERATOR MATCHES "Ninja")
   block()
     if (CMAKE_SYSTEM_NAME MATCHES "Windows")

Tests/RunCMake/Swift/SwiftPtrSize-stdout.txt

@@ -0,0 +1,2 @@
+-- CMAKE_Swift_SIZEOF_DATA_PTR='[1-9][0-9]*'
+-- CMAKE_SIZEOF_VOID_P='[1-9][0-9]*'

Tests/RunCMake/Swift/SwiftPtrSize.cmake

@@ -0,0 +1,4 @@
+enable_language(Swift)
+
+message(STATUS "CMAKE_Swift_SIZEOF_DATA_PTR='${CMAKE_Swift_SIZEOF_DATA_PTR}'")
+message(STATUS "CMAKE_SIZEOF_VOID_P='${CMAKE_SIZEOF_VOID_P}'")