Merge pull request #81465 from glessard/rdar151179266-flag-in-swiftinterface

[cmake] LifetimeDependenceMutableAccessors should be enabled

Author: glessard

Runtimes/Core/cmake/modules/ExperimentalFeatures.cmake

@@ -4,6 +4,7 @@ add_compile_options(
   "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature SE427NoInferenceOnExtension>"
   "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature NonescapableTypes>"
   "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature LifetimeDependence>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature LifetimeDependenceMutableAccessors>"
   "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature MemberImportVisibility>"
   "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature TypedThrows>"
   "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature Macros>"