Proxy: enumerate

test/built-ins/Proxy/enumerate/call-parameters.js

test/built-ins/Proxy/enumerate/null-handler.js

...ns/Proxy/enumerate/result-not-an-object-throws-boolean.js

...ins/Proxy/enumerate/result-not-an-object-throws-number.js

...ins/Proxy/enumerate/result-not-an-object-throws-string.js

...ins/Proxy/enumerate/result-not-an-object-throws-symbol.js

.../Proxy/enumerate/result-not-an-object-throws-undefined.js

test/built-ins/Proxy/enumerate/return-is-abrupt.js

.../built-ins/Proxy/enumerate/return-trap-result-no-value.js

test/built-ins/Proxy/enumerate/return-trap-result.js

test/built-ins/Proxy/enumerate/trap-is-not-callable.js

test/built-ins/Proxy/enumerate/trap-is-undefined.js