diff --git a/stdlib/private/StdlibCollectionUnittest/CMakeLists.txt b/stdlib/private/StdlibCollectionUnittest/CMakeLists.txt
index 6d0263a9155a7..e1727c9882125 100644
--- a/stdlib/private/StdlibCollectionUnittest/CMakeLists.txt
+++ b/stdlib/private/StdlibCollectionUnittest/CMakeLists.txt
@@ -27,6 +27,13 @@ add_swift_target_library(swiftStdlibCollectionUnittest ${SWIFT_STDLIB_LIBRARY_BU
   SWIFT_MODULE_DEPENDS_CYGWIN Glibc
   SWIFT_MODULE_DEPENDS_HAIKU Glibc
   SWIFT_MODULE_DEPENDS_WINDOWS CRT
+
+  DEPLOYMENT_VERSION_OSX ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_OSX}
+  DEPLOYMENT_VERSION_IOS ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_IOS}
+  DEPLOYMENT_VERSION_TVOS ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_TVOS}
+  DEPLOYMENT_VERSION_WATCHOS ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_WATCHOS}
+  DEPLOYMENT_VERSION_XROS ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_XROS}
+
   SWIFT_COMPILE_FLAGS ${swift_stdlib_unittest_compile_flags} ${SWIFT_STANDARD_LIBRARY_SWIFT_FLAGS}
   INSTALL_IN_COMPONENT stdlib-experimental
   DARWIN_INSTALL_NAME_DIR "${SWIFT_DARWIN_STDLIB_PRIVATE_INSTALL_NAME_DIR}"
diff --git a/stdlib/private/StdlibUnittest/CMakeLists.txt b/stdlib/private/StdlibUnittest/CMakeLists.txt
index 36ac2228f8f6a..492cc7dbf7e40 100644
--- a/stdlib/private/StdlibUnittest/CMakeLists.txt
+++ b/stdlib/private/StdlibUnittest/CMakeLists.txt
@@ -37,9 +37,6 @@ if (SWIFT_ENABLE_EXPERIMENTAL_CONCURRENCY)
   list(APPEND swift_stdlib_unittest_link_libraries "swift_Concurrency")
   list(APPEND swift_stdlib_unittest_modules "_Concurrency")
 endif()
-if (SWIFT_ENABLE_EXPERIMENTAL_STRING_PROCESSING)
-  list(APPEND swift_stdlib_unittest_modules "_StringProcessing")
-endif()
 
 add_swift_target_library(swiftStdlibUnittest ${SWIFT_STDLIB_LIBRARY_BUILD_TYPES} IS_STDLIB
   # This file should be listed the first.  Module name is inferred from the
@@ -79,6 +76,13 @@ add_swift_target_library(swiftStdlibUnittest ${SWIFT_STDLIB_LIBRARY_BUILD_TYPES}
   SWIFT_MODULE_DEPENDS_HAIKU Glibc
   SWIFT_MODULE_DEPENDS_WASI WASILibc
   SWIFT_MODULE_DEPENDS_WINDOWS CRT WinSDK
+
+  DEPLOYMENT_VERSION_OSX ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_OSX}
+  DEPLOYMENT_VERSION_IOS ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_IOS}
+  DEPLOYMENT_VERSION_TVOS ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_TVOS}
+  DEPLOYMENT_VERSION_WATCHOS ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_WATCHOS}
+  DEPLOYMENT_VERSION_XROS ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_XROS}
+
   C_COMPILE_FLAGS -I${SWIFT_SOURCE_DIR}/stdlib/include
   SWIFT_COMPILE_FLAGS ${swift_stdlib_unittest_compile_flags} ${SWIFT_STANDARD_LIBRARY_SWIFT_FLAGS}
   INSTALL_IN_COMPONENT stdlib-experimental
diff --git a/stdlib/private/SwiftPrivate/CMakeLists.txt b/stdlib/private/SwiftPrivate/CMakeLists.txt
index 3d6b75d2cbd6f..bae0baaa60640 100644
--- a/stdlib/private/SwiftPrivate/CMakeLists.txt
+++ b/stdlib/private/SwiftPrivate/CMakeLists.txt
@@ -41,6 +41,13 @@ add_swift_target_library(swiftSwiftPrivate ${SWIFT_STDLIB_LIBRARY_BUILD_TYPES} I
   SWIFT_MODULE_DEPENDS_HAIKU Glibc
   SWIFT_MODULE_DEPENDS_WASI WASILibc
   SWIFT_MODULE_DEPENDS_WINDOWS CRT WinSDK
+
+  DEPLOYMENT_VERSION_OSX ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_OSX}
+  DEPLOYMENT_VERSION_IOS ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_IOS}
+  DEPLOYMENT_VERSION_TVOS ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_TVOS}
+  DEPLOYMENT_VERSION_WATCHOS ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_WATCHOS}
+  DEPLOYMENT_VERSION_XROS ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_XROS}
+
   SWIFT_COMPILE_FLAGS ${swift_swiftprivate_compile_flags} ${SWIFT_STANDARD_LIBRARY_SWIFT_FLAGS}
   INSTALL_IN_COMPONENT stdlib-experimental
   DARWIN_INSTALL_NAME_DIR "${SWIFT_DARWIN_STDLIB_PRIVATE_INSTALL_NAME_DIR}"
diff --git a/stdlib/private/SwiftPrivateLibcExtras/CMakeLists.txt b/stdlib/private/SwiftPrivateLibcExtras/CMakeLists.txt
index dd7f9c148453a..4f222d96ee78e 100644
--- a/stdlib/private/SwiftPrivateLibcExtras/CMakeLists.txt
+++ b/stdlib/private/SwiftPrivateLibcExtras/CMakeLists.txt
@@ -52,6 +52,13 @@ add_swift_target_library(swiftSwiftPrivateLibcExtras ${SWIFT_STDLIB_LIBRARY_BUIL
   SWIFT_MODULE_DEPENDS_HAIKU Glibc
   SWIFT_MODULE_DEPENDS_WASI WASILibc
   SWIFT_MODULE_DEPENDS_WINDOWS CRT WinSDK
+
+  DEPLOYMENT_VERSION_OSX ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_OSX}
+  DEPLOYMENT_VERSION_IOS ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_IOS}
+  DEPLOYMENT_VERSION_TVOS ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_TVOS}
+  DEPLOYMENT_VERSION_WATCHOS ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_WATCHOS}
+  DEPLOYMENT_VERSION_XROS ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_XROS}
+
   INCORPORATE_OBJECT_LIBRARIES ${swift_private_libc_extras_incorporate_object_libraries}
   INSTALL_IN_COMPONENT stdlib-experimental
   DARWIN_INSTALL_NAME_DIR "${SWIFT_DARWIN_STDLIB_PRIVATE_INSTALL_NAME_DIR}"
diff --git a/stdlib/private/SwiftPrivateThreadExtras/CMakeLists.txt b/stdlib/private/SwiftPrivateThreadExtras/CMakeLists.txt
index d74a3fb627f71..ac13e2766c361 100644
--- a/stdlib/private/SwiftPrivateThreadExtras/CMakeLists.txt
+++ b/stdlib/private/SwiftPrivateThreadExtras/CMakeLists.txt
@@ -33,6 +33,13 @@ add_swift_target_library(swiftSwiftPrivateThreadExtras ${SWIFT_STDLIB_LIBRARY_BU
   SWIFT_MODULE_DEPENDS_HAIKU Glibc
   SWIFT_MODULE_DEPENDS_WASI WASILibc
   SWIFT_MODULE_DEPENDS_WINDOWS CRT WinSDK
+
+  DEPLOYMENT_VERSION_OSX ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_OSX}
+  DEPLOYMENT_VERSION_IOS ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_IOS}
+  DEPLOYMENT_VERSION_TVOS ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_TVOS}
+  DEPLOYMENT_VERSION_WATCHOS ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_WATCHOS}
+  DEPLOYMENT_VERSION_XROS ${SWIFT_DARWIN_TEST_DEPLOYMENT_VERSION_XROS}
+
   SWIFT_COMPILE_FLAGS ${SWIFT_STANDARD_LIBRARY_SWIFT_FLAGS}
   INSTALL_IN_COMPONENT stdlib-experimental
   DARWIN_INSTALL_NAME_DIR "${SWIFT_DARWIN_STDLIB_PRIVATE_INSTALL_NAME_DIR}"
diff --git a/test/AutoDiff/compiler_crashers_fixed/issue-56600-symbol-in-ir-file-not-tbd-file.swift b/test/AutoDiff/compiler_crashers_fixed/issue-56600-symbol-in-ir-file-not-tbd-file.swift
index 7a5e395dd6551..66b4258c603e8 100644
--- a/test/AutoDiff/compiler_crashers_fixed/issue-56600-symbol-in-ir-file-not-tbd-file.swift
+++ b/test/AutoDiff/compiler_crashers_fixed/issue-56600-symbol-in-ir-file-not-tbd-file.swift
@@ -1,6 +1,8 @@
 // RUN: %target-run-simple-swift
 
 // REQUIRES: executable_test
+// UNSUPPORTED: use_os_stdlib
+// UNSUPPORTED: back_deployment_runtime
 
 // https://github.com/apple/swift/issues/56600
 // Error: symbol 'powTJfSSpSr' (powTJfSSpSr) is in generated IR file, but not