Add "last" setter to List.

tests/co19/co19-co19.status

Index: tests/co19/co19-co19.status
diff --git a/tests/co19/co19-co19.status b/tests/co19/co19-co19.status
index a421a89919baebc2e23e961c8930cee5a93af0b3..9bfbabb809d4a74a9ed99f2d2b24104c956e37f2 100644
--- a/tests/co19/co19-co19.status
+++ b/tests/co19/co19-co19.status
@@ -19,7 +19,21 @@ LibTest/isolate/IsolateStream/contains_A02_t01: Fail # co19 issue 668
 WebPlatformTest/shadow-dom/elements-and-dom-objects/shadowroot-object/shadowroot-attributes/test-002_t01: Skip # Issue 19019
 WebPlatformTest/shadow-dom/elements-and-dom-objects/shadowroot-object/shadowroot-attributes/test-003_t01: Skip # Issue 19019
 
+
 [ $compiler != dartanalyzer && $compiler != dart2analyzer ]
+LibTest/typed_data/Float32List/last_A01_t02: Fail # co19 issue 691
+LibTest/typed_data/Float32x4List/last_A01_t02: Fail # co19 issue 691
+LibTest/typed_data/Float64List/last_A01_t02: Fail # co19 issue 691
+LibTest/typed_data/Int16List/last_A01_t02: Fail # co19 issue 691
+LibTest/typed_data/Int32List/last_A01_t02: Fail # co19 issue 691
+LibTest/typed_data/Int64List/last_A01_t02: Fail # co19 issue 691
+LibTest/typed_data/Int8List/last_A01_t02: Fail # co19 issue 691
+LibTest/typed_data/Uint16List/last_A01_t02: Fail # co19 issue 691
+LibTest/typed_data/Uint32List/last_A01_t02: Fail # co19 issue 691
+LibTest/typed_data/Uint64List/last_A01_t02: Fail # co19 issue 691
+LibTest/typed_data/Uint8ClampedList/last_A01_t02: Fail # co19 issue 691
+LibTest/typed_data/Uint8List/last_A01_t02: Fail # co19 issue 691
+
 # Tests that fail on every runtime, but not on the analyzer.
 LibTest/isolate/ReceivePort/asBroadcastStream_A02_t01: Fail # co19 issue 687
 LibTest/async/Stream/asBroadcastStream_A02_t01: Fail # co19 issue 687