Update corelib.status for drt.

tests/corelib/corelib.status

Index: tests/corelib/corelib.status
diff --git a/tests/corelib/corelib.status b/tests/corelib/corelib.status
index 08a099e56236ec62a18e0d0b100a546e59ad8d49..38accbeaf08046a4986cc1dbe46a407cd2db4da4 100644
--- a/tests/corelib/corelib.status
+++ b/tests/corelib/corelib.status
@@ -75,7 +75,7 @@ map_keys2_test: Fail # Generic types aren't right.
 map_values2_test: Fail # Generic types aren't right
 
 ## Tests failing after merge of experimental library branch.
-[ $compiler == dart2js && $runtime == d8]
+[ $compiler == dart2js && ($runtime == d8 || $runtime == drt) ]
 # Tests fail due to bug in generics on constants, issue 6827
 iterable_to_list_test: Fail
 iterable_to_set_test: Fail
@@ -83,7 +83,7 @@ iterable_to_set_test: Fail
 # Issue 7734.
 string_replace_all_test: Crash
 
-[ $compiler == dart2js && $runtime == d8 && $checked ]
+[ $compiler == dart2js && ($runtime == d8 || $runtime == drt) && $checked ]
 # Issue 7733.
 apply2_test: Fail
 apply_test: Fail
@@ -96,12 +96,3 @@ map_values_test: Fail
 queue_test: Fail
 reg_exp_all_matches_test: Fail
 set_test: Fail
-
-## Tests failing after merge of experimental library branch.
-[ $compiler == dart2js && $runtime == drt]
-# Tests fail due to bug in generics on constants, issue 6827
-iterable_to_list_test: Fail
-iterable_to_set_test: Fail
-
-# Issue 7734.
-string_replace_all_test: Crash