Merge pull request #68640 from finagolfin/release/5.10

[5.10][build] Move libdispatch earlier in the build so it can be used by the compiler validation suite

Author: bnbarham

test/Concurrency/Runtime/async_task_priority_current.swift

@@ -10,17 +10,10 @@
 
 import Dispatch
 
-// Work around the inability of older Swift runtimes to print a task priority.
-extension TaskPriority: CustomStringConvertible {
-  public var description: String {
-    "TaskPriority(rawValue: \(rawValue))"
-  }
-}
-
 @available(SwiftStdlib 5.1, *)
 @main struct Main {
   static func main() async {
-    print("main priority: \(Task.currentPriority)") // CHECK: main priority: TaskPriority(rawValue: [[#MAIN_PRIORITY:]])
+    print("main priority: \(Task.currentPriority)") // CHECK: main priority: TaskPriority.medium
     await test_detach()
     await test_multiple_lo_indirectly_escalated()
   }
@@ -29,18 +22,18 @@ extension TaskPriority: CustomStringConvertible {
 @available(SwiftStdlib 5.1, *)
 func test_detach() async {
   let a1 = Task.currentPriority
-  print("a1: \(a1)") // CHECK: a1: TaskPriority(rawValue: [[#MAIN_PRIORITY]])
+  print("a1: \(a1)") // CHECK: a1: TaskPriority.medium
 
   // Note: remember to detach using a higher priority, otherwise a lower one
   // might be escalated by the get() and we could see `default` in the detached
   // task.
   await detach(priority: .userInitiated) {
     let a2 = Task.currentPriority
-    print("a2: \(a2)") // CHECK: a2: TaskPriority(rawValue: 25)
+    print("a2: \(a2)") // CHECK: a2: TaskPriority.high
   }.get()
 
   let a3 = Task.currentPriority
-  print("a3: \(a3)") // CHECK: a3: TaskPriority(rawValue: [[#MAIN_PRIORITY]])
+  print("a3: \(a3)") // CHECK: a3: TaskPriority.medium
 }
 
 @available(SwiftStdlib 5.1, *)

test/Concurrency/Runtime/custom_executors_complex_equality_crash.swift

@@ -1,4 +1,4 @@
-// RUN: %target-run-simple-swift( -Xfrontend -disable-availability-checking -parse-as-library)
+// RUN: %target-run-simple-swift( -Xfrontend -disable-availability-checking %import-libdispatch -parse-as-library)
 
 // REQUIRES: concurrency
 // REQUIRES: executable_test

test/lit.cfg

@@ -1645,15 +1645,17 @@ elif (run_os in ['linux-gnu', 'linux-gnueabihf', 'freebsd', 'openbsd', 'windows-
     libdispatch_artifact_dir = config.libdispatch_build_path
     libdispatch_swift_module_dir = make_path(libdispatch_artifact_dir, 'src', 'swift', 'swift')
     libdispatch_source_dir = make_path(config.swift_src_root, os.pardir, 'swift-corelibs-libdispatch')
+    libdispatch_vfs_yaml =  make_path(libdispatch_artifact_dir, 'dispatch-vfs-overlay.yaml')
     libdispatch_artifacts = [
+        libdispatch_vfs_yaml,
         make_path(libdispatch_artifact_dir, 'libdispatch.so'),
         make_path(libdispatch_artifact_dir, 'libswiftDispatch.so'),
         make_path(libdispatch_swift_module_dir, 'Dispatch.swiftmodule')]
     if (all(os.path.exists(p) for p in libdispatch_artifacts)):
         config.available_features.add('libdispatch')
         config.libdispatch_artifact_dir = libdispatch_artifact_dir
-        config.import_libdispatch = ('-I %s -I %s -L %s'
-            % (libdispatch_source_dir, libdispatch_swift_module_dir, libdispatch_artifact_dir))
+        config.import_libdispatch = ('-I %s -I %s -L %s -vfsoverlay %s'
+            % (libdispatch_source_dir, libdispatch_swift_module_dir, libdispatch_artifact_dir, libdispatch_vfs_yaml))
 
     libdispatch_static_artifact_dir = os.path.join(config.libdispatch_static_build_path, 'lib')
     libdispatch_static_artifacts = [

utils/swift_build_support/swift_build_support/build_script_invocation.py

@@ -613,13 +613,13 @@ def compute_product_pipelines(self):
                                  is_enabled=self.args.build_swift)
         builder.add_impl_product(products.LLDB,
                                  is_enabled=self.args.build_lldb)
+        builder.add_impl_product(products.LibDispatch,
+                                 is_enabled=self.args.build_libdispatch)
 
         # Begin a new build-script-impl pipeline that builds libraries that we
         # build as part of build-script-impl but that we should eventually move
         # onto build-script products.
         builder.begin_impl_pipeline(should_run_epilogue_operations=True)
-        builder.add_impl_product(products.LibDispatch,
-                                 is_enabled=self.args.build_libdispatch)
         builder.add_impl_product(products.Foundation,
                                  is_enabled=self.args.build_foundation)
         builder.add_impl_product(products.XCTest,