deps: update V8 to 7.7.299.4

PR-URL: https://github.com/nodejs/node/pull/28918
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

18 files changed, 581 insertions, 55 deletions

diff --git a/deps/v8/test/intl/general/supported-locales-of.js b/deps/v8/test/intl/general/supported-locales-of.js
index 5cc0095614..eb5c426f07 100644
--- a/deps/v8/test/intl/general/supported-locales-of.js
+++ b/deps/v8/test/intl/general/supported-locales-of.js
@@ -86,8 +86,10 @@ for (const service of services) {
   privateuseLocale2 = service.supportedLocalesOf("x-twain");
   assertEquals(undefined, privateuseLocale2[0]);
 
-  grandfatheredLocale = service.supportedLocalesOf("art-lojban");
-  assertEquals(undefined, grandfatheredLocale[0]);
+  if (service != Intl.PluralRules) {
+    grandfatheredLocale = service.supportedLocalesOf("art-lojban");
+    assertEquals(undefined, grandfatheredLocale[0]);
+  }
 
   grandfatheredLocale2 = service.supportedLocalesOf("i-pwn");
   assertEquals(undefined, grandfatheredLocale2[0]);
diff --git a/deps/v8/test/intl/intl.status b/deps/v8/test/intl/intl.status
index 81950f13b9..ba54743d67 100644
--- a/deps/v8/test/intl/intl.status
+++ b/deps/v8/test/intl/intl.status
@@ -34,6 +34,9 @@
   'collator/check-kf-option': [FAIL],
   'collator/check-kn-option': [FAIL],
 
+  # https://code.google.com/p/v8/issues/detail?id=9312
+  'regress-9312': [FAIL],
+
   # Slow tests.
   'regress-903566': [PASS, SLOW],
 }],  # ALWAYS
diff --git a/deps/v8/test/intl/number-format/property-override.js b/deps/v8/test/intl/number-format/property-override.js
index 1fbe78e080..590b1c2e4b 100644
--- a/deps/v8/test/intl/number-format/property-override.js
+++ b/deps/v8/test/intl/number-format/property-override.js
@@ -40,6 +40,8 @@
 // Update both number-format.js and number-format.cc so they have the same
 // list of properties.
 
+// Flags: --noharmony-intl-numberformat-unified
+
 // First get supported properties.
 var properties = [];
 // Some properties are optional and won't show up in resolvedOptions if
diff --git a/deps/v8/test/intl/number-format/unified/constructor-order.js b/deps/v8/test/intl/number-format/unified/constructor-order.js
index 266426c7d4..be716371f5 100644
--- a/deps/v8/test/intl/number-format/unified/constructor-order.js
+++ b/deps/v8/test/intl/number-format/unified/constructor-order.js
@@ -34,26 +34,26 @@ new Intl.NumberFormat(['en-US'], {
   get unitDisplay() {
     assertEquals(6, getCount++);
   },
-  // End of new options
-  get minimumIntegerDigits() {
+  get notation() {
     assertEquals(7, getCount++);
   },
-  get minimumFractionDigits() {
+  // End of new options
+  get minimumIntegerDigits() {
     assertEquals(8, getCount++);
   },
-  get maximumFractionDigits() {
+  get minimumFractionDigits() {
     assertEquals(9, getCount++);
   },
-  get minimumSignificantDigits() {
+  get maximumFractionDigits() {
     assertEquals(10, getCount++);
   },
-  get maximumSignificantDigits() {
+  get minimumSignificantDigits() {
     assertEquals(11, getCount++);
   },
-  // Begin of new options
-  get notation() {
+  get maximumSignificantDigits() {
     assertEquals(12, getCount++);
   },
+  // Begin of new options
   get compactDisplay() {
     assertEquals(13, getCount++);
   },
diff --git a/deps/v8/test/intl/number-format/unified/currency-display.js b/deps/v8/test/intl/number-format/unified/currency-display.js
index 4f7acb97c8..effd026778 100644
--- a/deps/v8/test/intl/number-format/unified/currency-display.js
+++ b/deps/v8/test/intl/number-format/unified/currency-display.js
@@ -27,7 +27,7 @@ const testData = [
     ["name", "123.00 New Taiwan dollars"],
     ["code", "TWD 123.00"],
     ["symbol", "NT$123.00"],
-    ["narrow-symbol", "$123.00"],  // new
+    ["narrowSymbol", "$123.00"],  // new
 ];
 
 for (const [currencyDisplay, expectation] of testData) {
diff --git a/deps/v8/test/intl/number-format/unified/notation-engineering-formatToParts.js b/deps/v8/test/intl/number-format/unified/notation-engineering-formatToParts.js
new file mode 100644
index 0000000000..280771b2e7
--- /dev/null
+++ b/deps/v8/test/intl/number-format/unified/notation-engineering-formatToParts.js
@@ -0,0 +1,175 @@
+// Copyright 2019 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --harmony-intl-numberformat-unified
+
+// Test notation: "engineering" with formatToParts.
+
+const nf = Intl.NumberFormat("en", {notation: "engineering"});
+
+let parts = nf.formatToParts(123.456);
+// [{type: "integer", value: "123"}, {type: "decimal", value: "."},
+//  {type: "fraction", value: "456"}, {type: "exponentSeparator", value: "E"},
+//  {type: "exponentInteger", value: "0"}]
+assertEquals("integer", parts[0].type);
+assertEquals("123", parts[0].value);
+assertEquals("decimal", parts[1].type);
+assertEquals(".", parts[1].value);
+assertEquals("fraction", parts[2].type);
+assertEquals("456", parts[2].value);
+assertEquals("exponentSeparator", parts[3].type);
+assertEquals("E", parts[3].value);
+assertEquals("exponentInteger", parts[4].type);
+assertEquals("0", parts[4].value);
+assertEquals(5, parts.length);
+
+parts = nf.formatToParts(-123.456);
+// [{type: "minusSign", value: "-"}, {type: "integer", value: "123"},
+//  {type: "decimal", value: "."}, {type: "fraction", value: "456"},
+//  {type: "exponentSeparator", value: "E"}, {type: "exponentInteger", value: "0"}]
+assertEquals("minusSign", parts[0].type);
+assertEquals("-", parts[0].value);
+assertEquals("integer", parts[1].type);
+assertEquals("123", parts[1].value);
+assertEquals("decimal", parts[2].type);
+assertEquals(".", parts[2].value);
+assertEquals("fraction", parts[3].type);
+assertEquals("456", parts[3].value);
+assertEquals("exponentSeparator", parts[4].type);
+assertEquals("E", parts[4].value);
+assertEquals("exponentInteger", parts[5].type);
+assertEquals("0", parts[5].value);
+assertEquals(6, parts.length);
+
+parts = nf.formatToParts(12345678901234567890);
+// [{type: "integer", value: "12"}, {type: "decimal", value: "."},
+//  {type: "fraction", value: "346"}, {type: "exponentSeparator", value: "E"},
+//  {type: "exponentInteger", value: "18"}]
+assertEquals("integer", parts[0].type);
+assertEquals("12", parts[0].value);
+assertEquals("decimal", parts[1].type);
+assertEquals(".", parts[1].value);
+assertEquals("fraction", parts[2].type);
+assertEquals("346", parts[2].value);
+assertEquals("exponentSeparator", parts[3].type);
+assertEquals("E", parts[3].value);
+assertEquals("exponentInteger", parts[4].type);
+assertEquals("18", parts[4].value);
+assertEquals(5, parts.length);
+
+parts = nf.formatToParts(-12345678901234567890);
+// [{type: "minusSign", value: "-"}, {type: "integer", value: "12"},
+//  {type: "decimal", value: "."}, {type: "fraction", value: "346"},
+//  {type: "exponentSeparator", value: "E"}, {type: "exponentInteger", value: "18"}]
+assertEquals("minusSign", parts[0].type);
+assertEquals("-", parts[0].value);
+assertEquals("integer", parts[1].type);
+assertEquals("12", parts[1].value);
+assertEquals("decimal", parts[2].type);
+assertEquals(".", parts[2].value);
+assertEquals("fraction", parts[3].type);
+assertEquals("346", parts[3].value);
+assertEquals("exponentSeparator", parts[4].type);
+assertEquals("E", parts[4].value);
+assertEquals("exponentInteger", parts[5].type);
+assertEquals("18", parts[5].value);
+assertEquals(6, parts.length);
+
+parts = nf.formatToParts(0.000000000000123456);
+// [{type: "integer", value: "123"}, {type: "decimal", value: "."},
+//  {type: "fraction", value: "456"}, {type: "exponentSeparator", value: "E"},
+//  {type: "exponentMinusSign", value: "-"}, {type: "exponentInteger", value: "15"}]
+assertEquals("integer", parts[0].type);
+assertEquals("123", parts[0].value);
+assertEquals("decimal", parts[1].type);
+assertEquals(".", parts[1].value);
+assertEquals("fraction", parts[2].type);
+assertEquals("456", parts[2].value);
+assertEquals("exponentSeparator", parts[3].type);
+assertEquals("E", parts[3].value);
+assertEquals("exponentMinusSign", parts[4].type);
+assertEquals("-", parts[4].value);
+assertEquals("exponentInteger", parts[5].type);
+assertEquals("15", parts[5].value);
+assertEquals(6, parts.length);
+
+parts = nf.formatToParts(-0.000000000000123456);
+// [{type: "minusSign", value: "-"}, {type: "integer", value: "123"},
+//  {type: "decimal", value: "."}, {type: "fraction", value: "456"},
+//  {type: "exponentSeparator", value: "E"},
+//  {type: "exponentMinusSign", value: "-"}, {type: "exponentInteger", value: "15"}]
+assertEquals("minusSign", parts[0].type);
+assertEquals("-", parts[0].value);
+assertEquals("integer", parts[1].type);
+assertEquals("123", parts[1].value);
+assertEquals("decimal", parts[2].type);
+assertEquals(".", parts[2].value);
+assertEquals("fraction", parts[3].type);
+assertEquals("456", parts[3].value);
+assertEquals("exponentSeparator", parts[4].type);
+assertEquals("E", parts[4].value);
+assertEquals("exponentMinusSign", parts[5].type);
+assertEquals("-", parts[5].value);
+assertEquals("exponentInteger", parts[6].type);
+assertEquals("15", parts[6].value);
+assertEquals(7, parts.length);
+
+parts = nf.formatToParts(0);
+// [{type: "integer", value: "0"}, {type: "exponentSeparator", value: "E"},
+//  {type: "exponentInteger", value: "0"}]
+assertEquals("integer", parts[0].type);
+assertEquals("0", parts[0].value);
+assertEquals("exponentSeparator", parts[1].type);
+assertEquals("E", parts[1].value);
+assertEquals("exponentInteger", parts[2].type);
+assertEquals("0", parts[2].value);
+assertEquals(3, parts.length);
+
+parts = nf.formatToParts(-0);
+// [{type: "minusSign", value: "-"}, {type: "integer", value: "0"},
+//  {type: "exponentSeparator", value: "E"}, {type: "exponentInteger", value: "0"}]
+assertEquals("minusSign", parts[0].type);
+assertEquals("-", parts[0].value);
+assertEquals("integer", parts[1].type);
+assertEquals("0", parts[1].value);
+assertEquals("exponentSeparator", parts[2].type);
+assertEquals("E", parts[2].value);
+assertEquals("exponentInteger", parts[3].type);
+assertEquals("0", parts[3].value);
+assertEquals(4, parts.length);
+
+parts = nf.formatToParts(Infinity);
+// [{type: "infinity", value: "∞"}, {type: "exponentSeparator", value: "E"},
+//  {type: "exponentInteger", value: "0"}]
+assertEquals("infinity", parts[0].type);
+assertEquals("∞", parts[0].value);
+assertEquals("exponentSeparator", parts[1].type);
+assertEquals("E", parts[1].value);
+assertEquals("exponentInteger", parts[2].type);
+assertEquals("0", parts[2].value);
+assertEquals(3, parts.length);
+
+parts = nf.formatToParts(-Infinity);
+// [{type: "minusSign", value: "-"}, {type: "infinity", value: "∞"},
+//  {type: "exponentSeparator", value: "E"}, {type: "exponentInteger", value: "0"}]
+assertEquals("minusSign", parts[0].type);
+assertEquals("-", parts[0].value);
+assertEquals("infinity", parts[1].type);
+assertEquals("∞", parts[1].value);
+assertEquals("exponentSeparator", parts[2].type);
+assertEquals("E", parts[2].value);
+assertEquals("exponentInteger", parts[3].type);
+assertEquals("0", parts[3].value);
+assertEquals(4, parts.length);
+
+parts = nf.formatToParts(NaN);
+// [{type: "nan", value: "NaN"}, {type: "exponentSeparator", value: "E"},
+//  {type: "exponentInteger", value: "0"}]
+assertEquals("nan", parts[0].type);
+assertEquals("NaN", parts[0].value);
+assertEquals("exponentSeparator", parts[1].type);
+assertEquals("E", parts[1].value);
+assertEquals("exponentInteger", parts[2].type);
+assertEquals("0", parts[2].value);
+assertEquals(3, parts.length);
diff --git a/deps/v8/test/intl/number-format/unified/notation-scientific-formatToParts.js b/deps/v8/test/intl/number-format/unified/notation-scientific-formatToParts.js
new file mode 100644
index 0000000000..9ffd5f8709
--- /dev/null
+++ b/deps/v8/test/intl/number-format/unified/notation-scientific-formatToParts.js
@@ -0,0 +1,177 @@
+// Copyright 2019 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --harmony-intl-numberformat-unified
+
+// Test notation: "scientific" with formatToParts.
+
+const nf = Intl.NumberFormat("en", {notation: "scientific"});
+
+let parts = nf.formatToParts(123.456);
+// [{type: "integer", value: "1"}, {type: "decimal", value: "."},
+//  {type: "fraction", value: "235"}, {type: "exponentSeparator", value: "E"},
+//  {type: "exponentInteger", value: "2"}]
+assertEquals("integer", parts[0].type);
+assertEquals("1", parts[0].value);
+assertEquals("decimal", parts[1].type);
+assertEquals(".", parts[1].value);
+assertEquals("fraction", parts[2].type);
+assertEquals("235", parts[2].value);
+assertEquals("exponentSeparator", parts[3].type);
+assertEquals("E", parts[3].value);
+assertEquals("exponentInteger", parts[4].type);
+assertEquals("2", parts[4].value);
+assertEquals(5, parts.length);
+
+parts = nf.formatToParts(-123.456);
+// [{type: "minusSign", value: "-"},i
+//  {type: "integer", value: "1"}, {type: "decimal", value: "."},
+//  {type: "fraction", value: "235"}, {type: "exponentSeparator", value: "E"},
+//  {type: "exponentInteger", value: "2"}]
+assertEquals("minusSign", parts[0].type);
+assertEquals("-", parts[0].value);
+assertEquals("integer", parts[1].type);
+assertEquals("1", parts[1].value);
+assertEquals("decimal", parts[2].type);
+assertEquals(".", parts[2].value);
+assertEquals("fraction", parts[3].type);
+assertEquals("235", parts[3].value);
+assertEquals("exponentSeparator", parts[4].type);
+assertEquals("E", parts[4].value);
+assertEquals("exponentInteger", parts[5].type);
+assertEquals("2", parts[5].value);
+assertEquals(6, parts.length);
+
+parts = nf.formatToParts(12345678901234567890);
+// [{type: "integer", value: "1"}, {type: "decimal", value: "."},
+//  {type: "fraction", value: "235"}, {type: "exponentSeparator", value: "E"},
+//  {type: "exponentInteger", value: "19"}]
+assertEquals("integer", parts[0].type);
+assertEquals("1", parts[0].value);
+assertEquals("decimal", parts[1].type);
+assertEquals(".", parts[1].value);
+assertEquals("fraction", parts[2].type);
+assertEquals("235", parts[2].value);
+assertEquals("exponentSeparator", parts[3].type);
+assertEquals("E", parts[3].value);
+assertEquals("exponentInteger", parts[4].type);
+assertEquals("19", parts[4].value);
+assertEquals(5, parts.length);
+
+parts = nf.formatToParts(-12345678901234567890);
+// [{type: "minusSign", value: "-"},
+// {type: "integer", value: "1"}, {type: "decimal", value: "."},
+//  {type: "fraction", value: "235"}, {type: "exponentSeparator", value: "E"},
+//  {type: "exponentInteger", value: "19"}]
+assertEquals("minusSign", parts[0].type);
+assertEquals("-", parts[0].value);
+assertEquals("integer", parts[1].type);
+assertEquals("1", parts[1].value);
+assertEquals("decimal", parts[2].type);
+assertEquals(".", parts[2].value);
+assertEquals("fraction", parts[3].type);
+assertEquals("235", parts[3].value);
+assertEquals("exponentSeparator", parts[4].type);
+assertEquals("E", parts[4].value);
+assertEquals("exponentInteger", parts[5].type);
+assertEquals("19", parts[5].value);
+assertEquals(6, parts.length);
+
+parts = nf.formatToParts(0.000000000000123456);
+// [{type: "integer", value: "1"}, {type: "decimal", value: "."},
+//  {type: "fraction", value: "235"}, {type: "exponentSeparator", value: "E"},
+//  {type: "exponentMinusSign", value: "-"}, {type: "exponentInteger", value: "13"}]
+assertEquals("integer", parts[0].type);
+assertEquals("1", parts[0].value);
+assertEquals("decimal", parts[1].type);
+assertEquals(".", parts[1].value);
+assertEquals("fraction", parts[2].type);
+assertEquals("235", parts[2].value);
+assertEquals("exponentSeparator", parts[3].type);
+assertEquals("E", parts[3].value);
+assertEquals("exponentMinusSign", parts[4].type);
+assertEquals("-", parts[4].value);
+assertEquals("exponentInteger", parts[5].type);
+assertEquals("13", parts[5].value);
+assertEquals(6, parts.length);
+
+parts = nf.formatToParts(-0.000000000000123456);
+// [{type: "minusSign", value: "-"}, {type: "integer", value: "1"},
+//  {type: "decimal", value: "."}, {type: "fraction", value: "235"},
+//  {type: "exponentSeparator", value: "E"},
+//  {type: "exponentMinusSign", value: "-"}, {type: "exponentInteger", value: "13"}]
+assertEquals("minusSign", parts[0].type);
+assertEquals("-", parts[0].value);
+assertEquals("integer", parts[1].type);
+assertEquals("1", parts[1].value);
+assertEquals("decimal", parts[2].type);
+assertEquals(".", parts[2].value);
+assertEquals("fraction", parts[3].type);
+assertEquals("235", parts[3].value);
+assertEquals("exponentSeparator", parts[4].type);
+assertEquals("E", parts[4].value);
+assertEquals("exponentMinusSign", parts[5].type);
+assertEquals("-", parts[5].value);
+assertEquals("exponentInteger", parts[6].type);
+assertEquals("13", parts[6].value);
+assertEquals(7, parts.length);
+
+parts = nf.formatToParts(0);
+// [{type: "integer", value: "0"}, {type: "exponentSeparator", value: "E"},
+//  {type: "exponentInteger", value: "0"}]
+assertEquals("integer", parts[0].type);
+assertEquals("0", parts[0].value);
+assertEquals("exponentSeparator", parts[1].type);
+assertEquals("E", parts[1].value);
+assertEquals("exponentInteger", parts[2].type);
+assertEquals("0", parts[2].value);
+assertEquals(3, parts.length);
+
+parts = nf.formatToParts(-0);
+// [{type: "minusSign", value: "-"}, {type: "integer", value: "0"},
+//  {type: "exponentSeparator", value: "E"}, {type: "exponentInteger", value: "0"}]
+assertEquals("minusSign", parts[0].type);
+assertEquals("-", parts[0].value);
+assertEquals("integer", parts[1].type);
+assertEquals("0", parts[1].value);
+assertEquals("exponentSeparator", parts[2].type);
+assertEquals("E", parts[2].value);
+assertEquals("exponentInteger", parts[3].type);
+assertEquals("0", parts[3].value);
+assertEquals(4, parts.length);
+
+parts = nf.formatToParts(Infinity);
+// [{type: "infinity", value: "∞"}, {type: "exponentSeparator", value: "E"},
+//  {type: "exponentInteger", value: "0"}]
+assertEquals("infinity", parts[0].type);
+assertEquals("∞", parts[0].value);
+assertEquals("exponentSeparator", parts[1].type);
+assertEquals("E", parts[1].value);
+assertEquals("exponentInteger", parts[2].type);
+assertEquals("0", parts[2].value);
+assertEquals(3, parts.length);
+
+parts = nf.formatToParts(-Infinity);
+// [{type: "minusSign", value: "-"}, {type: "infinity", value: "∞"},
+//  {type: "exponentSeparator", value: "E"}, {type: "exponentInteger", value: "0"}]
+assertEquals("minusSign", parts[0].type);
+assertEquals("-", parts[0].value);
+assertEquals("infinity", parts[1].type);
+assertEquals("∞", parts[1].value);
+assertEquals("exponentSeparator", parts[2].type);
+assertEquals("E", parts[2].value);
+assertEquals("exponentInteger", parts[3].type);
+assertEquals("0", parts[3].value);
+assertEquals(4, parts.length);
+
+parts = nf.formatToParts(NaN);
+// [{type: "nan", value: "NaN"}, {type: "exponentSeparator", value: "E"},
+//  {type: "exponentInteger", value: "0"}]
+assertEquals("nan", parts[0].type);
+assertEquals("NaN", parts[0].value);
+assertEquals("exponentSeparator", parts[1].type);
+assertEquals("E", parts[1].value);
+assertEquals("exponentInteger", parts[2].type);
+assertEquals("0", parts[2].value);
+assertEquals(3, parts.length);
diff --git a/deps/v8/test/intl/number-format/unified/notation.js b/deps/v8/test/intl/number-format/unified/notation.js
index 9c451773bd..b26ee01f5c 100644
--- a/deps/v8/test/intl/number-format/unified/notation.js
+++ b/deps/v8/test/intl/number-format/unified/notation.js
@@ -19,9 +19,9 @@ const testData = [
     ["standard", undefined, "987,654,321"],
     ["scientific", undefined, "9.877E8"],
     ["engineering", undefined, "987.654E6"],
-    ["compact", undefined, "987.654M"],
-    ["compact", "short", "987.654M"],
-    ["compact", "long", "987.654 million"],
+    ["compact", undefined, "988M"],
+    ["compact", "short", "988M"],
+    ["compact", "long", "988 million"],
 ];
 
 for (const [notation, compactDisplay, expect1] of testData) {
@@ -40,50 +40,50 @@ for (const [notation, compactDisplay, expect1] of testData) {
 // Test Germany which has different decimal marks.
 let notation = "compact";
 nf = new Intl.NumberFormat("de", {notation, compactDisplay: "short"});
-assertEquals("987,654 Mio.", nf.format(987654321));
-assertEquals("98,765 Mio.", nf.format(98765432));
+assertEquals("988 Mio.", nf.format(987654321));
+assertEquals("99 Mio.", nf.format(98765432));
 assertEquals("98.765", nf.format(98765));
 assertEquals("9876", nf.format(9876));
 nf = new Intl.NumberFormat("de", {notation, compactDisplay: "long"});
-assertEquals("987,654 Millionen", nf.format(987654321));
-assertEquals("98,765 Millionen", nf.format(98765432));
-assertEquals("98,765 Tausend", nf.format(98765));
-assertEquals("9,876 Tausend", nf.format(9876));
+assertEquals("988 Millionen", nf.format(987654321));
+assertEquals("99 Millionen", nf.format(98765432));
+assertEquals("99 Tausend", nf.format(98765));
+assertEquals("9,9 Tausend", nf.format(9876));
 
 // Test Chinese, Japanese and Korean, which group by 4 digits.
 nf = new Intl.NumberFormat("zh-TW", {notation, compactDisplay: "short"});
-assertEquals("9.877億", nf.format(987654321));
-assertEquals("9876.543萬", nf.format(98765432));
-assertEquals("9.877萬", nf.format(98765));
+assertEquals("9.9億", nf.format(987654321));
+assertEquals("9877萬", nf.format(98765432));
+assertEquals("9.9萬", nf.format(98765));
 assertEquals("9876", nf.format(9876));
 nf = new Intl.NumberFormat("zh-TW", {notation, compactDisplay: "long"});
-assertEquals("9.877億", nf.format(987654321));
-assertEquals("9876.543萬", nf.format(98765432));
-assertEquals("9.877萬", nf.format(98765));
+assertEquals("9.9億", nf.format(987654321));
+assertEquals("9877萬", nf.format(98765432));
+assertEquals("9.9萬", nf.format(98765));
 assertEquals("9876", nf.format(9876));
 
 // Test Japanese with compact.
 nf = new Intl.NumberFormat("ja", {notation, compactDisplay: "short"});
-assertEquals("9.877億", nf.format(987654321));
-assertEquals("9876.543万", nf.format(98765432));
-assertEquals("9.877万", nf.format(98765));
+assertEquals("9.9億", nf.format(987654321));
+assertEquals("9877万", nf.format(98765432));
+assertEquals("9.9万", nf.format(98765));
 assertEquals("9876", nf.format(9876));
 nf = new Intl.NumberFormat("ja", {notation, compactDisplay: "long"});
-assertEquals("9.877億", nf.format(987654321));
-assertEquals("9876.543万", nf.format(98765432));
-assertEquals("9.877万", nf.format(98765));
+assertEquals("9.9億", nf.format(987654321));
+assertEquals("9877万", nf.format(98765432));
+assertEquals("9.9万", nf.format(98765));
 assertEquals("9876", nf.format(9876));
 
 // Test Korean with compact.
 nf = new Intl.NumberFormat("ko", {notation, compactDisplay: "short"});
-assertEquals("9.877억", nf.format(987654321));
-assertEquals("9876.543만", nf.format(98765432));
-assertEquals("9.877만", nf.format(98765));
-assertEquals("9.876천", nf.format(9876));
+assertEquals("9.9억", nf.format(987654321));
+assertEquals("9877만", nf.format(98765432));
+assertEquals("9.9만", nf.format(98765));
+assertEquals("9.9천", nf.format(9876));
 assertEquals("987", nf.format(987));
 nf = new Intl.NumberFormat("ko", {notation, compactDisplay: "long"});
-assertEquals("9.877억", nf.format(987654321));
-assertEquals("9876.543만", nf.format(98765432));
-assertEquals("9.877만", nf.format(98765));
-assertEquals("9.876천", nf.format(9876));
+assertEquals("9.9억", nf.format(987654321));
+assertEquals("9877만", nf.format(98765432));
+assertEquals("9.9만", nf.format(98765));
+assertEquals("9.9천", nf.format(9876));
 assertEquals("987", nf.format(987));
diff --git a/deps/v8/test/intl/number-format/unified/percent.js b/deps/v8/test/intl/number-format/unified/percent.js
new file mode 100644
index 0000000000..9918210ec7
--- /dev/null
+++ b/deps/v8/test/intl/number-format/unified/percent.js
@@ -0,0 +1,65 @@
+// Copyright 2019 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --harmony-intl-numberformat-unified
+//
+// Test the handling of "percent" w/ "unit"
+
+let nf1 = new Intl.NumberFormat("en-US", {
+  style: "percent",
+  unitDisplay: "long"  // Read, but ignored.
+});
+
+let resolved1 = nf1.resolvedOptions();
+assertEquals("percent", resolved1.style);
+assertEquals(undefined, resolved1.unit);
+assertEquals(undefined, resolved1.unitDisplay);
+
+let parts1 = nf1.formatToParts(100);
+assertEquals(4, parts1.length);
+assertEquals("integer", parts1[0].type);
+assertEquals("10", parts1[0].value);
+assertEquals("group", parts1[1].type);
+assertEquals(",", parts1[1].value);
+assertEquals("integer", parts1[2].type);
+assertEquals("000", parts1[2].value);
+assertEquals("percentSign", parts1[3].type);
+assertEquals("%", parts1[3].value);
+
+let nf2 = new Intl.NumberFormat("en-US", {
+  style: "unit",
+  unit: "percent",
+  unitDisplay: "long"  // This is OK
+});
+
+let resolved2 = nf2.resolvedOptions();
+assertEquals("unit", resolved2.style);
+assertEquals("percent", resolved2.unit);
+assertEquals("long", resolved2.unitDisplay);
+
+let parts2 = nf2.formatToParts(100);
+assertEquals(3, parts2.length);
+assertEquals("integer", parts2[0].type);
+assertEquals("100", parts2[0].value);
+assertEquals("literal", parts2[1].type);
+assertEquals(" ", parts2[1].value);
+assertEquals("unit", parts2[2].type);
+assertEquals("percent", parts2[2].value);
+
+let nf3 = new Intl.NumberFormat("en-US", {
+  style: "unit",
+  unit: "percent"
+});
+
+let resolved3 = nf3.resolvedOptions();
+assertEquals("unit", resolved3.style);
+assertEquals("percent", resolved3.unit);
+assertEquals("short", resolved3.unitDisplay);
+
+let parts3 = nf3.formatToParts(100);
+assertEquals(2, parts3.length);
+assertEquals("integer", parts3[0].type);
+assertEquals("100", parts3[0].value);
+assertEquals("unit", parts3[1].type);
+assertEquals("%", parts3[1].value);
diff --git a/deps/v8/test/intl/number-format/unified/sign-display.js b/deps/v8/test/intl/number-format/unified/sign-display.js
index cdd7de0061..c71f57e67c 100644
--- a/deps/v8/test/intl/number-format/unified/sign-display.js
+++ b/deps/v8/test/intl/number-format/unified/sign-display.js
@@ -15,7 +15,7 @@ const testData = [
     ["auto",        "-123",  "-0",  "0",  "123"],
     ["always",      "-123",  "-0", "+0", "+123"],
     ["never",       "123",   "0",  "0",  "123"],
-    ["except-zero", "-123",  "-0",  "0",  "+123"],
+    ["exceptZero",  "-123",  "-0",  "0",  "+123"],
 ];
 
 for (const [signDisplay, neg, negZero, zero, pos] of testData) {
diff --git a/deps/v8/test/intl/number-format/unified/style-unit.js b/deps/v8/test/intl/number-format/unified/style-unit.js
index af35618fda..b88af0fb76 100644
--- a/deps/v8/test/intl/number-format/unified/style-unit.js
+++ b/deps/v8/test/intl/number-format/unified/style-unit.js
@@ -19,7 +19,7 @@ nf = new Intl.NumberFormat("en", {style: 'currency', currency: 'TWD'});
 assertEquals(undefined, nf.resolvedOptions().unit);
 
 nf = new Intl.NumberFormat("en", {style: 'percent'});
-assertEquals('percent', nf.resolvedOptions().unit);
+assertEquals(undefined, nf.resolvedOptions().unit);
 
 assertThrows(() => new Intl.NumberFormat("en", {style: 'unit'}), TypeError);
 
diff --git a/deps/v8/test/intl/number-format/unified/unit-display.js b/deps/v8/test/intl/number-format/unified/unit-display.js
index eeb2c69ece..d4d814d70e 100644
--- a/deps/v8/test/intl/number-format/unified/unit-display.js
+++ b/deps/v8/test/intl/number-format/unified/unit-display.js
@@ -21,7 +21,7 @@ nf = new Intl.NumberFormat("en", {style: 'unit', unit: "meter"});
 assertEquals("short", nf.resolvedOptions().unitDisplay);
 
 nf = new Intl.NumberFormat("en", {style: 'percent'});
-assertEquals("short", nf.resolvedOptions().unitDisplay);
+assertEquals(undefined, nf.resolvedOptions().unitDisplay);
 
 const testData = [
     ["short"],
diff --git a/deps/v8/test/intl/regress-8866.js b/deps/v8/test/intl/regress-8866.js
new file mode 100644
index 0000000000..ed5b4a0ce4
--- /dev/null
+++ b/deps/v8/test/intl/regress-8866.js
@@ -0,0 +1,11 @@
+// Copyright 2019 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Regression test to ensure Intl.PluralRules respect minimumFractionDigits
+
+assertEquals('other',
+    new Intl.PluralRules("en", {minimumFractionDigits: 2}).select(1));
+
+assertEquals('zero',
+    new Intl.PluralRules("lv", {minimumFractionDigits: 2}).select(1.13));
diff --git a/deps/v8/test/intl/regress-9312.js b/deps/v8/test/intl/regress-9312.js
new file mode 100644
index 0000000000..7bcd241001
--- /dev/null
+++ b/deps/v8/test/intl/regress-9312.js
@@ -0,0 +1,32 @@
+// Copyright 2019 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Test the locales in src/third_party/icu/source/data/locales/ which
+// has %%ALIAS output the same as what it alias to instead of root.
+const aliases = new Map([
+  ['sh', 'sr-Latn'],
+  ['in', 'id'],
+  ['mo', 'ro'],
+  ['iw', 'he'],
+  ['no', 'nb'],
+  ['tl', 'fil'],
+  ['iw-IL', 'he-IL'],
+  ['sr-CS', 'sr-Cyrl-RS'],
+]);
+
+const date = new Date();
+const number = 123456789.123456789;
+for (const [from, to] of aliases) {
+  const fromDTF = new Intl.DateTimeFormat(from, {month: 'long', weekday: 'long'});
+  const toDTF = new Intl.DateTimeFormat(to, {month: 'long', weekday: 'long'});
+  for (let m = 0; m < 12; m++) {
+    date.setMonth(m);
+    assertEquals(fromDTF.format(date), toDTF.format(date),
+        `Expected to see the same output from "${from}" and "${to}".`);
+  }
+  const fromNF = new Intl.NumberFormat(from);
+  const toNF = new Intl.NumberFormat(to);
+  assertEquals(fromNF.format(number), toNF.format(number),
+      `Expected to see the same output from "${from}" and "${to}".`);
+}
diff --git a/deps/v8/test/intl/regress-9408.js b/deps/v8/test/intl/regress-9408.js
new file mode 100644
index 0000000000..88883981f3
--- /dev/null
+++ b/deps/v8/test/intl/regress-9408.js
@@ -0,0 +1,28 @@
+// Copyright 2019 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --harmony-intl-numberformat-unified
+// Test precision of compact-rounding
+
+let compact = {notation: "compact"};
+assertEquals("1.2K", (1234).toLocaleString("en", compact));
+assertEquals("12K", (12345).toLocaleString("en", compact));
+assertEquals("123K", (123456).toLocaleString("en", compact));
+assertEquals("1.2M", (1234567).toLocaleString("en", compact));
+
+assertEquals("54K", (54321).toLocaleString("en", compact));
+
+let compact_no_rounding = {notation: "compact", minimumFractionDigits: 0};
+assertEquals("1.234K", (1234).toLocaleString("en", compact_no_rounding));
+assertEquals("12.345K", (12345).toLocaleString("en", compact_no_rounding));
+assertEquals("123.456K", (123456).toLocaleString("en", compact_no_rounding));
+assertEquals("1.235M", (1234567).toLocaleString("en", compact_no_rounding));
+
+assertEquals("54.321K", (54321).toLocaleString("en", compact_no_rounding));
+
+let fmt = new Intl.NumberFormat("en", compact_no_rounding);
+assertEquals("1", fmt.format(1));
+assertEquals("1K", fmt.format(1000));
+assertEquals("1.234K", fmt.format(1234));
+assertEquals("1.25K", fmt.format(1250));
diff --git a/deps/v8/test/intl/regress-9513.js b/deps/v8/test/intl/regress-9513.js
new file mode 100644
index 0000000000..e23b5cf77e
--- /dev/null
+++ b/deps/v8/test/intl/regress-9513.js
@@ -0,0 +1,28 @@
+// Copyright 2019 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --harmony-intl-numberformat-unified
+// Test Infinity, -Infinity, NaN won't crash with any notation in formatToParts.
+
+let validNotations = [
+    "standard",
+    "compact",
+    "engineering",
+    "scientific",
+];
+
+let tests = [
+    123,
+    Infinity,
+    -Infinity,
+    NaN
+];
+
+for (const notation of validNotations) {
+  let nf = new Intl.NumberFormat("en", {notation});
+  for (const test of tests) {
+    assertDoesNotThrow(() => nf.format(test));
+    assertDoesNotThrow(() => nf.formatToParts(test));
+  }
+}
diff --git a/deps/v8/test/intl/relative-time-format/format-en.js b/deps/v8/test/intl/relative-time-format/format-en.js
index a365749f0a..d802902587 100644
--- a/deps/v8/test/intl/relative-time-format/format-en.js
+++ b/deps/v8/test/intl/relative-time-format/format-en.js
@@ -23,8 +23,8 @@ assertEquals('in 345 seconds', longAuto.format(345, 'second'));
 assertEquals('3 minutes ago', longAuto.format(-3, 'minute'));
 assertEquals('2 minutes ago', longAuto.format(-2, 'minute'));
 assertEquals('1 minute ago', longAuto.format(-1, 'minute'));
-assertEquals('in 0 minutes', longAuto.format(0, 'minute'));
-assertEquals('0 minutes ago', longAuto.format(-0, 'minute'));
+assertEquals('this minute', longAuto.format(0, 'minute'));
+assertEquals('this minute', longAuto.format(-0, 'minute'));
 assertEquals('in 1 minute', longAuto.format(1, 'minute'));
 assertEquals('in 2 minutes', longAuto.format(2, 'minute'));
 assertEquals('in 345 minutes', longAuto.format(345, 'minute'));
@@ -32,8 +32,8 @@ assertEquals('in 345 minutes', longAuto.format(345, 'minute'));
 assertEquals('3 hours ago', longAuto.format(-3, 'hour'));
 assertEquals('2 hours ago', longAuto.format(-2, 'hour'));
 assertEquals('1 hour ago', longAuto.format(-1, 'hour'));
-assertEquals('in 0 hours', longAuto.format(0, 'hour'));
-assertEquals('0 hours ago', longAuto.format(-0, 'hour'));
+assertEquals('this hour', longAuto.format(0, 'hour'));
+assertEquals('this hour', longAuto.format(-0, 'hour'));
 assertEquals('in 1 hour', longAuto.format(1, 'hour'));
 assertEquals('in 2 hours', longAuto.format(2, 'hour'));
 assertEquals('in 345 hours', longAuto.format(345, 'hour'));
@@ -98,8 +98,8 @@ assertEquals('in 345 sec.', shortAuto.format(345, 'second'));
 assertEquals('3 min. ago', shortAuto.format(-3, 'minute'));
 assertEquals('2 min. ago', shortAuto.format(-2, 'minute'));
 assertEquals('1 min. ago', shortAuto.format(-1, 'minute'));
-assertEquals('in 0 min.', shortAuto.format(0, 'minute'));
-assertEquals('0 min. ago', shortAuto.format(-0, 'minute'));
+assertEquals('this minute', shortAuto.format(0, 'minute'));
+assertEquals('this minute', shortAuto.format(-0, 'minute'));
 assertEquals('in 1 min.', shortAuto.format(1, 'minute'));
 assertEquals('in 2 min.', shortAuto.format(2, 'minute'));
 assertEquals('in 345 min.', shortAuto.format(345, 'minute'));
@@ -107,8 +107,8 @@ assertEquals('in 345 min.', shortAuto.format(345, 'minute'));
 assertEquals('3 hr. ago', shortAuto.format(-3, 'hour'));
 assertEquals('2 hr. ago', shortAuto.format(-2, 'hour'));
 assertEquals('1 hr. ago', shortAuto.format(-1, 'hour'));
-assertEquals('in 0 hr.', shortAuto.format(0, 'hour'));
-assertEquals('0 hr. ago', shortAuto.format(-0, 'hour'));
+assertEquals('this hour', shortAuto.format(0, 'hour'));
+assertEquals('this hour', shortAuto.format(-0, 'hour'));
 assertEquals('in 1 hr.', shortAuto.format(1, 'hour'));
 assertEquals('in 2 hr.', shortAuto.format(2, 'hour'));
 assertEquals('in 345 hr.', shortAuto.format(345, 'hour'));
@@ -174,8 +174,8 @@ assertEquals('in 345 sec.', narrowAuto.format(345, 'second'));
 assertEquals('3 min. ago', narrowAuto.format(-3, 'minute'));
 assertEquals('2 min. ago', narrowAuto.format(-2, 'minute'));
 assertEquals('1 min. ago', narrowAuto.format(-1, 'minute'));
-assertEquals('in 0 min.', narrowAuto.format(0, 'minute'));
-assertEquals('0 min. ago', narrowAuto.format(-0, 'minute'));
+assertEquals('this minute', narrowAuto.format(0, 'minute'));
+assertEquals('this minute', narrowAuto.format(-0, 'minute'));
 assertEquals('in 1 min.', narrowAuto.format(1, 'minute'));
 assertEquals('in 2 min.', narrowAuto.format(2, 'minute'));
 assertEquals('in 345 min.', narrowAuto.format(345, 'minute'));
@@ -183,8 +183,8 @@ assertEquals('in 345 min.', narrowAuto.format(345, 'minute'));
 assertEquals('3 hr. ago', narrowAuto.format(-3, 'hour'));
 assertEquals('2 hr. ago', narrowAuto.format(-2, 'hour'));
 assertEquals('1 hr. ago', narrowAuto.format(-1, 'hour'));
-assertEquals('in 0 hr.', narrowAuto.format(0, 'hour'));
-assertEquals('0 hr. ago', narrowAuto.format(-0, 'hour'));
+assertEquals('this hour', narrowAuto.format(0, 'hour'));
+assertEquals('this hour', narrowAuto.format(-0, 'hour'));
 assertEquals('in 1 hr.', narrowAuto.format(1, 'hour'));
 assertEquals('in 2 hr.', narrowAuto.format(2, 'hour'));
 assertEquals('in 345 hr.', narrowAuto.format(345, 'hour'));
diff --git a/deps/v8/test/intl/testcfg.py b/deps/v8/test/intl/testcfg.py
index 66da4c77b5..f04bf19c8c 100644
--- a/deps/v8/test/intl/testcfg.py
+++ b/deps/v8/test/intl/testcfg.py
@@ -58,6 +58,9 @@ class TestCase(testcase.D8TestCase):
 
   def _parse_source_env(self, source):
     env_match = ENV_PATTERN.search(source)
+    # https://crbug.com/v8/8845
+    if 'LC_ALL' in os.environ:
+      del os.environ['LC_ALL']
     env = {}
     if env_match:
       for env_pair in env_match.group(1).strip().split():