Add flags back to stdlib

Author: Azoy

Runtimes/Core/CMakeLists.txt

@@ -190,6 +190,7 @@ add_compile_options(
   "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature FreestandingMacros>"
   "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature BitwiseCopyable>"
   "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature Extern>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature ValueGenerics>"
   "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature AddressableParameters>"
   # TODO: we should reevaluate if it still makes sense to restrict this
   # to Darwin, https://github.com/swiftlang/swift/issues/79279

stdlib/public/core/CMakeLists.txt

@@ -319,6 +319,7 @@ list(APPEND swift_stdlib_compile_flags "-enable-experimental-feature" "Macros")
 list(APPEND swift_stdlib_compile_flags "-enable-experimental-feature" "FreestandingMacros")
 list(APPEND swift_stdlib_compile_flags "-enable-experimental-feature" "Extern")
 list(APPEND swift_stdlib_compile_flags "-enable-experimental-feature" "BitwiseCopyable")
+list(APPEND swift_stdlib_compile_flags "-enable-experimental-feature" "ValueGenerics")
 list(APPEND swift_stdlib_compile_flags "-enable-experimental-feature" "AddressableParameters")
 list(APPEND swift_stdlib_compile_flags "-enable-experimental-feature" "AddressableTypes")
 list(APPEND swift_stdlib_compile_flags "-strict-memory-safety")