Merge pull request #9538 from swiftlang/mark-lldb-test-xfail

[lldb] Mark forward C++ interop test XFAIL

Author: Xazax-hun

lldb/test/API/lang/swift/cxx_interop/forward/verbose_trap/TestSwiftForwardInteropVerboseTrap.py

@@ -9,6 +9,7 @@
 class TestSwiftForwardInteropVerboseTrap(TestBase):
 
     @swiftTest
+    @expectedFailureAll(bugnumber="rdar://139429226")
     def test(self):
         self.build()
         target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))