Generator parameters must not contain yield expressions #1706

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ariya opened this Issue Jan 3, 2017 · 0 comments

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ariya commented Jan 3, 2017

(As reported by @michaelficarra as case 17 in #1502)

Test case:

esprima.parse('function *g(x = yield){}');

Actual: a valid syntax tree.

Expected: a thrown exception indicating a syntax error.


Following V8 error messages, the exception message should be "Yield expression not allowed in formal parameter".

@ariya ariya added defect es6 labels Jan 3, 2017
@ariya ariya referenced this issue Jan 4, 2017
Closed

invalid tests #1502

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