Make %TypedArray%.from spec-compliant

test/test262/test262.status

Index: test/test262/test262.status
diff --git a/test/test262/test262.status b/test/test262/test262.status
index e1befabe172d081623e4aaaac00fbb3da612a980..736a56f44194994478bbbc35f15f50b6761a5151 100644
--- a/test/test262/test262.status
+++ b/test/test262/test262.status
@@ -278,10 +278,6 @@
   'built-ins/TypedArrays/typedarray-arg-same-ctor-buffer-ctor-species-throws': [FAIL],
   'built-ins/TypedArrays/typedarray-arg-same-ctor-buffer-ctor-value-not-obj-throws': [FAIL],
 
-  # https://bugs.chromium.org/p/v8/issues/detail?id=4782
-  'built-ins/TypedArrays/from/set-value-abrupt-completion': [FAIL],
-  'built-ins/TypedArray/from/mapfn-is-not-callable': [FAIL],
-
   # https://bugs.chromium.org/p/v8/issues/detail?id=4727
   'built-ins/TypedArrays/length-arg-is-undefined-throws': [FAIL],
   'built-ins/TypedArrays/length-arg-is-symbol-throws': [FAIL],
@@ -366,6 +362,9 @@
   # Test bug https://github.com/tc39/test262/issues/518
   'built-ins/TypedArrays/object-arg-throws-setting-typedarray-property': [FAIL],
 
+  # Test bug https://github.com/tc39/test262/issues/521
+  'built-ins/TypedArray/from/mapfn-is-not-callable': [FAIL],
+
   ############################ SKIPPED TESTS #############################
 
   # These tests take a looong time to run.