Add test for issue #28008 and update expected outputs

- Add c_addrOf_unmanaged_class.chpl test that verifies the fix works
- Update c_ptr_class_type.good to reflect that c_addrOf(unmanaged) now
  equals c_ptrTo(unmanaged), changing line from false to true

Author: ssam18

test-issue-28008.chpl

@@ -0,0 +1,20 @@
+use CTypes;
+
+class MyClass {
+  var x: int = 21;
+}
+
+proc main() {
+
+  var myOwned = new owned MyClass();
+  var myBorrow = myOwned.borrow();
+  var myUnmanaged = new unmanaged MyClass();
+  defer { delete myUnmanaged; }
+
+  var addr1 = c_addrOf(myOwned);
+  var addr2 = c_addrOf(myBorrow);
+  var addr3 = c_addrOf(myUnmanaged);
+
+
+  writeln(addr1.deref(), addr2.deref(), addr3.deref(), sep =" | "); // addr3.deref() fails
+}

test/library/standard/CTypes/c_addrOf_unmanaged_class.chpl

@@ -0,0 +1,25 @@
+// Test for issue #28008
+// c_addrOf on unmanaged class should work with wide pointers
+
+use CTypes;
+
+class MyClass {
+  var x: int = 21;
+}
+
+proc main() {
+
+  var myOwned = new owned MyClass();
+  var myBorrow = myOwned.borrow();
+  var myUnmanaged = new unmanaged MyClass();
+  defer { delete myUnmanaged; }
+
+  var addr1 = c_addrOf(myOwned);
+  var addr2 = c_addrOf(myBorrow);
+  var addr3 = c_addrOf(myUnmanaged);
+
+  writeln(addr1.deref(), " | ", addr2.deref(), " | ", addr3.deref());
+  
+  // Verify that c_addrOf on unmanaged class returns the same as c_ptrTo
+  writeln(c_addrOf(myUnmanaged):string == c_ptrTo(myUnmanaged):string);
+}

test/library/standard/CTypes/c_addrOf_unmanaged_class.good

@@ -0,0 +1,2 @@
+{x = 21} | {x = 21} | {x = 21}
+true

test/types/cptr/c_ptr_class_type.good

@@ -18,7 +18,8 @@ true
 true
 true
 
-false
+true
 5
 c_ptr(void)
 5
+