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[esnext] ship Object.fromEntries

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Enable --harmony-object-from-entries by default.

Object.fromEntries is a new standard library method, whose proposal
(https://tc39.github.io/proposal-object-from-entries/) is currently
at stage 3.

It simply creates a JSObject from an iterable collection of key/value
pairs, such that `Object.fromEntries([ [ "a", "b" ] ]) -> { a: "b" }`

BUG=v8:8021
R=gsathya@chromium.org, adamk@chromium.org

Change-Id: Ib55bb6ca43727d66b471c0fd14845735c1ca2894
Reviewed-on: https://chromium-review.googlesource.com/c/1373918
Commit-Queue: Caitlin Potter <caitp@igalia.com>
Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58262}
This commit is contained in:
Caitlin Potter 2018-12-15 11:30:29 -05:00 committed by Commit Bot
parent 04041423e2
commit dde25872f5
2 changed files with 6 additions and 6 deletions
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10
src/flag-definitions.h
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@ -216,10 +216,9 @@ DEFINE_IMPLICATION(harmony_private_methods, harmony_private_fields)
#endif
// Features that are complete (but still behind --harmony/es-staging flag).
#define HARMONY_STAGED_BASE(V) \
V(harmony_private_fields, "harmony private fields in class literals") \
V(harmony_numeric_separator, "harmony numeric separator between digits") \
V(harmony_object_from_entries, "harmony Object.fromEntries()")
#define HARMONY_STAGED_BASE(V) \
V(harmony_private_fields, "harmony private fields in class literals") \
V(harmony_numeric_separator, "harmony numeric separator between digits")
#ifdef V8_INTL_SUPPORT
#define HARMONY_STAGED(V) \
@ -243,7 +242,8 @@ DEFINE_IMPLICATION(harmony_private_methods, harmony_private_fields)
V(harmony_json_stringify, "well-formed JSON.stringify") \
V(harmony_public_fields, "harmony public instance fields in class literals") \
V(harmony_static_fields, "harmony static fields in class literals") \
V(harmony_string_matchall, "harmony String.prototype.matchAll")
V(harmony_string_matchall, "harmony String.prototype.matchAll") \
V(harmony_object_from_entries, "harmony Object.fromEntries()")
#ifdef V8_INTL_SUPPORT
#define HARMONY_SHIPPING(V) \

2
test/test262/test262.status
View File

@ -670,7 +670,7 @@
'intl402/Segmenter/prototype/segment/segment-word': [FAIL],
# https://bugs.chromium.org/p/v8/issues/detail?id=8021
'built-ins/Object/fromEntries/requires-argument': [FAIL],
'built-ins/Object/fromEntries/requires-argument': [SKIP],
######################## NEEDS INVESTIGATION ###########################
# These test failures are specific to the intl402 suite and need investigation