Merge pull request #71100 from tshortli/runtime-objc-test-5.10

[5.10] Tests: Update stdlib/RuntimeObjC.swift to always link libswiftCoreGraphics

Author: tshortli

test/stdlib/RuntimeObjC.swift

@@ -171,6 +171,11 @@ func withSwiftObjectCanary<T>(
   expectEqual(0, swiftObjectCanaryCount, stackTrace: stackTrace)
 }
 
+// Hack to ensure the CustomReflectable conformance is used directly by the test
+// in case it comes from a library that would otherwise not be autolinked.
+@inline(never)
+func assertCustomReflectable<T: CustomReflectable>(_ t: T) {}
+
 var Runtime = TestSuite("Runtime")
 
 func _isClassOrObjCExistential_Opaque<T>(_ x: T.Type) -> Bool {
@@ -614,7 +619,9 @@ Reflection.test("MetatypeMirror") {
 
 Reflection.test("CGPoint") {
   var output = ""
-  dump(CGPoint(x: 1.25, y: 2.75), to: &output)
+  let point = CGPoint(x: 1.25, y: 2.75)
+  assertCustomReflectable(point)
+  dump(point, to: &output)
 
   let expected =
     "▿ (1.25, 2.75)\n" +
@@ -626,7 +633,9 @@ Reflection.test("CGPoint") {
 
 Reflection.test("CGSize") {
   var output = ""
-  dump(CGSize(width: 1.25, height: 2.75), to: &output)
+  let size = CGSize(width: 1.25, height: 2.75)
+  assertCustomReflectable(size)
+  dump(size, to: &output)
 
   let expected =
     "▿ (1.25, 2.75)\n" +
@@ -638,11 +647,11 @@ Reflection.test("CGSize") {
 
 Reflection.test("CGRect") {
   var output = ""
-  dump(
-    CGRect(
-      origin: CGPoint(x: 1.25, y: 2.25),
-      size: CGSize(width: 10.25, height: 11.75)),
-    to: &output)
+  let rect = CGRect(
+    origin: CGPoint(x: 1.25, y: 2.25),
+    size: CGSize(width: 10.25, height: 11.75))
+  assertCustomReflectable(rect)
+  dump(rect, to: &output)
 
   let expected =
     "▿ (1.25, 2.25, 10.25, 11.75)\n" +