Support checked mode for return type.

tests/co19/co19-dart2js.status

Index: tests/co19/co19-dart2js.status
===================================================================
--- tests/co19/co19-dart2js.status	(revision 14515)
+++ tests/co19/co19-dart2js.status	(working copy)
@@ -235,7 +235,6 @@
 Language/12_Statements/05_If_A02_t01: Fail # TODO(ahe): Please triage this failure.
 Language/12_Statements/06_For/1_For_Loop_A01_t08: Fail # TODO(ahe): Please triage this failure.
 Language/12_Statements/09_Switch_A05_t01: Fail # TODO(ahe): Please triage this failure.
-Language/12_Statements/11_Return_A04_t01: Fail # TODO(ahe): Please triage this failure.
 Language/14_Types/4_Interface_Types_A08_t03: Fail # TODO(ahe): Please triage this failure.
 Language/14_Types/8_Parameterized_Types_A02_t01: Fail # TODO(ahe): Please triage this failure.
 LibTest/core/AssertionError/column_A01_t02: Fail # TODO(ahe): Please triage this failure.
@@ -265,7 +264,13 @@
 Language/11_Expressions/15_Method_Invocation/4_Super_Invocation_A06_t01: Fail # Checked mode failure for noSuchMethod type.
 Language/11_Expressions/15_Method_Invocation/4_Super_Invocation_A06_t02: Fail # Checked mode failure for noSuchMethod type.
 
+# These tests return an object from a void function.
+Language/14_Types/7_Type_Void_A04_t02: Fail, OK
+Language/14_Types/7_Type_Void_A04_t03: Fail, OK
+Language/14_Types/7_Type_Void_A04_t04: Fail, OK
+Language/14_Types/7_Type_Void_A04_t05: Fail, OK
 
+
 [ $compiler == dart2js ]
 LibTest/core/int/operator_GT_A01_t01: Fail, OK # co19 issue 200
 LibTest/core/int/operator_LT_A01_t01: Fail, OK # co19 issue 200