Revert "cps-ir: Support foreign code."

tests/utils/utils.status

Index: tests/utils/utils.status
diff --git a/tests/utils/utils.status b/tests/utils/utils.status
index 64101251627c2a12cdb65f8b10ea35a08811ea7d..0fab69f68bf9b491b2a2f3060006fc337e2b6e12 100644
--- a/tests/utils/utils.status
+++ b/tests/utils/utils.status
@@ -29,6 +29,6 @@ recursive_import_test: Pass, RuntimeError # Issue 17662
 source_mirrors_test: Pass, RuntimeError # Issue 17662
 
 [ $compiler == dart2js && $cps_ir ]
-dummy_compiler_test: Crash # The null object does not have a setter 'parent='.
-recursive_import_test: Crash # (try {return f();}finally {Zone._leave(old);}): try/finally
-source_mirrors_test: Crash # The null object does not have a setter 'parent='.
+dummy_compiler_test: Crash # (switch (kind){case ...  Unhandled node
+recursive_import_test: Crash # (switch (kind){case ...  Unhandled node
+source_mirrors_test: Crash # Internal Error: No default constructor available.