fix corelib_2/iterable_to_set_test to reflect strong mode runtime checks

tests/corelib_2/corelib_2.status

Index: tests/corelib_2/corelib_2.status
diff --git a/tests/corelib_2/corelib_2.status b/tests/corelib_2/corelib_2.status
index 9224ec8c4ee7952c21aa7072fcade623fd024487..c9f6bbc48ed21942d55e5fc31b7087af86db6742 100644
--- a/tests/corelib_2/corelib_2.status
+++ b/tests/corelib_2/corelib_2.status
@@ -165,6 +165,7 @@ typed_data_with_limited_ints_test: Skip # dart2js and dartdevc don't know about
 
 [ $compiler == dart2js && $runtime != none ]
 nan_infinity_test/01: RuntimeError
+iterable_to_set_test: RuntimeError # is-checks do not implement strong mode type system

[Jennifer Messerly, 2017/08/04 23:33:11]

are there any other permutations I should test?

this test will fail on all Dart 1 platforms at runtime. (even DDC does not
implement it correctly yet, due to
https://github.com/dart-lang/sdk/issues/28988, because DDC's `is` checks attempt
to guard against divergence from the Dart 1 type system)

[Bob Nystrom, 2017/08/04 23:45:41]

If you run:

dart tools/migration/run_tests.dart iterable_to_set_test iterable_to_set_test

It will run just this test on a handful of configurations that we find useful
for the migration.
That's OK. We want correct tests and correct status files. If the test doesn't
pass, that's the implementer's problem. :)

[Jennifer Messerly, 2017/08/05 00:05:43]

thank you! did that & updated

 
 [ $compiler == dart2js && $runtime == drt && $csp && $minified ]
 core_runtime_types_test: Pass, Fail # Issue 27913
@@ -172,7 +173,7 @@ core_runtime_types_test: Pass, Fail # Issue 27913
 [ $compiler != dartdevc ]
 error_stack_trace_test/static: MissingCompileTimeError
 
-[ $compiler == dartdevc ]
+[ $compiler == dartdevc && $runtime != none ]
 error_stack_trace_test/nullThrown: RuntimeError # .stackTrace not present for exception caught from 'throw null;'
 list_fill_range_test: RuntimeError # Issue 29921
 list_insert_test: RuntimeError # Issue 29921
@@ -296,6 +297,7 @@ big_integer_parsed_mul_div_vm_test: Pass, Timeout # --no_intrinsify
 
 [ $compiler == none && ($runtime == vm || $runtime == flutter)]
 string_trimlr_test/02: RuntimeError # Issue 29060
+iterable_to_set_test: RuntimeError # is-checks do not implement strong mode type system
 
 [ $compiler == precompiler || $compiler == app_jit ]
 string_trimlr_test/02: RuntimeError # Issue 29060