diff --git a/Modules/CMakeSwiftInformation.cmake b/Modules/CMakeSwiftInformation.cmake
index a75dfceea1..d27aa3f6af 100644
--- a/Modules/CMakeSwiftInformation.cmake
+++ b/Modules/CMakeSwiftInformation.cmake
@@ -72,9 +72,9 @@ if(CMAKE_GENERATOR STREQUAL "Xcode")
   # these options here will have no effect when compiling with the built-in driver,
   # and will explode violently, leaving build products in the source directory, when
   # using the old swift driver.
-  set(CMAKE_Swift_FLAGS_DEBUG_INIT "-Onone -g")
+  set(CMAKE_Swift_FLAGS_DEBUG_INIT "-Onone -g ${CMAKE_Swift_FLAGS_DEBUG_LINKER_FLAGS}")
   set(CMAKE_Swift_FLAGS_RELEASE_INIT "-O")
-  set(CMAKE_Swift_FLAGS_RELWITHDEBINFO_INIT "-O -g")
+  set(CMAKE_Swift_FLAGS_RELWITHDEBINFO_INIT "-O -g ${CMAKE_Swift_FLAGS_RELWITHDEBINFO_LINKER_FLAGS}")
   set(CMAKE_Swift_FLAGS_MINSIZEREL_INIT "-Osize")
 else()
   set(CMAKE_Swift_FLAGS_DEBUG_INIT "-Onone -g -incremental")
diff --git a/Modules/Platform/Windows-Apple-Swift.cmake b/Modules/Platform/Windows-Apple-Swift.cmake
index 1177755474..3f754fda09 100644
--- a/Modules/Platform/Windows-Apple-Swift.cmake
+++ b/Modules/Platform/Windows-Apple-Swift.cmake
@@ -1 +1,3 @@
 set(CMAKE_Swift_IMPLIB_LINKER_FLAGS "-Xlinker -implib:<TARGET_IMPLIB>")
+set(CMAKE_Swift_FLAGS_DEBUG_LINKER_FLAGS "-Xlinker -debug")
+set(CMAKE_Swift_FLAGS_RELWITHDEBINFO_LINKER_FLAGS "-Xlinker -debug")