Wenlu Wang 7c50bccec2 nullish coalescing commit (#32883)
* migrate nullish coalescing commit

* add more test case

* add branch type check test

* add more tests

* fix nullish precedence

* update public api

* add rescan question question token to fix regression

* update public api baseline

* Added tests that emit for nullish coalescing operator conforming with grammar restrictions when assertions are used.

* Fixed emit to hoist temporary variables (they previously went undeclared).
Added tests to ensure calls and property accesses are only called once.

* use not equal to null

* rename factory

* add grammar check

* fix more cases

* Fix handling of nullish coalescing oprator in expando objects.

* Fixed classifier to support ?? operator.

* update baseline

* accept baseline

* fix review

* update emitter and more testcase

* update control flow

* make linter happy

* update libs

* avoid unnecessary assert

* fix typooo

* Fixes for control-flow analysis
2019-09-30 15:33:50 -07:00
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2019-02-28 14:01:40 -08:00
2019-02-28 14:01:40 -08:00
2019-06-14 09:46:02 +03:00