Add _Builtin_float dependency to Distributed and Synchronization

This will avoid errors in CI when the latter ones are scheduled before
the former.

Addresses rdar://149558141

Author: edymtt

stdlib/public/Distributed/CMakeLists.txt

@@ -16,6 +16,15 @@ else()
 set(swift_distributed_darwin_dependencies)
 endif()
 
+if((SWIFT_BUILD_CLANG_OVERLAYS
+    OR SWIFT_BUILD_TEST_SUPPORT_MODULES)
+   AND (NOT DEFINED SWIFT_BUILD_CLANG_OVERLAYS_SKIP_BUILTIN_FLOAT
+        OR NOT SWIFT_BUILD_CLANG_OVERLAYS_SKIP_BUILTIN_FLOAT))
+set(swift_distributed_dependencies _Builtin_float)
+else()
+set(swift_distributed_dependencies)
+endif()
+
 set(swift_distributed_link_libraries
   swiftCore)
 
@@ -30,6 +39,7 @@ add_swift_target_library(swiftDistributed ${SWIFT_STDLIB_LIBRARY_BUILD_TYPES} IS
   DistributedMetadata.swift
   LocalTestingDistributedActorSystem.swift
 
+  SWIFT_MODULE_DEPENDS ${swift_distributed_dependencies}
   SWIFT_MODULE_DEPENDS_IOS ${swift_distributed_darwin_dependencies}
   SWIFT_MODULE_DEPENDS_OSX ${swift_distributed_darwin_dependencies}
   SWIFT_MODULE_DEPENDS_TVOS ${swift_distributed_darwin_dependencies}

stdlib/public/Synchronization/CMakeLists.txt

@@ -41,6 +41,14 @@ if(SWIFT_BUILD_SDK_OVERLAY)
   set(SWIFT_SYNCHRONIZATION_DARWIN_DEPENDENCIES Darwin)
 endif()
 
+set(SWIFT_SYNCHRONIZATION_DEPENDENCIES)
+if((SWIFT_BUILD_CLANG_OVERLAYS
+    OR SWIFT_BUILD_TEST_SUPPORT_MODULES)
+   AND (NOT DEFINED SWIFT_BUILD_CLANG_OVERLAYS_SKIP_BUILTIN_FLOAT
+        OR NOT SWIFT_BUILD_CLANG_OVERLAYS_SKIP_BUILTIN_FLOAT))
+  set(SWIFT_SYNCHRONIZATION_DEPENDENCIES _Builtin_float)
+endif()
+
 set(SWIFT_SYNCHRONIZATION_DARWIN_SOURCES
   Mutex/DarwinImpl.swift
   Mutex/Mutex.swift
@@ -104,6 +112,8 @@ add_swift_target_library(swiftSynchronization ${SWIFT_STDLIB_LIBRARY_BUILD_TYPES
   SWIFT_SOURCES_DEPENDS_FREESTANDING
     Mutex/MutexUnavailable.swift
 
+  SWIFT_MODULE_DEPENDS
+    ${SWIFT_SYNCHRONIZATION_DEPENDENCIES}
   SWIFT_MODULE_DEPENDS_OSX
     ${SWIFT_SYNCHRONIZATION_DARWIN_DEPENDENCIES}
   SWIFT_MODULE_DEPENDS_IOS