Remove always-true --harmony-regexp-property runtime flag

It was shipped in Chrome 64.

Bug: v8:4743
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: I1084f55d19c0370d344acedeab630f03c02f49e5
Reviewed-on: https://chromium-review.googlesource.com/1086799Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Mathias Bynens <mathias@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53514}

src/bootstrapper.cc

@@ -4269,7 +4269,6 @@ void Bootstrapper::ExportFromRuntime(Isolate* isolate,
   void Genesis::InitializeGlobal_##id() {}
 
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_do_expressions)
-EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_regexp_property)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_function_tostring)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_public_fields)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_private_fields)

src/flag-definitions.h

@@ -232,7 +232,6 @@ DEFINE_IMPLICATION(harmony_class_fields, harmony_private_fields)
 #define HARMONY_SHIPPING(V)                                                   \
   V(harmony_string_trimming, "harmony String.prototype.trim{Start,End}")      \
   V(harmony_sharedarraybuffer, "harmony sharedarraybuffer")                   \
-  V(harmony_regexp_property, "harmony Unicode regexp property classes")       \
   V(harmony_function_tostring, "harmony Function.prototype.toString")         \
   V(harmony_optional_catch_binding, "allow omitting binding in catch blocks") \
   V(harmony_import_meta, "harmony import.meta property")                      \

src/regexp/regexp-parser.cc

@@ -342,20 +342,15 @@ RegExpTree* RegExpParser::ParseDisjunction() {
             uc32 p = Next();
             Advance(2);
             if (unicode()) {
-              if (FLAG_harmony_regexp_property) {
-                ZoneList<CharacterRange>* ranges =
-                    new (zone()) ZoneList<CharacterRange>(2, zone());
-                if (!ParsePropertyClass(ranges, p == 'P')) {
-                  return ReportError(CStrVector("Invalid property name"));
-                }
-                RegExpCharacterClass* cc = new (zone())
-                    RegExpCharacterClass(zone(), ranges, builder->flags());
-                builder->AddCharacterClass(cc);
-              } else {
-                // With /u, no identity escapes except for syntax characters
-                // are allowed. Otherwise, all identity escapes are allowed.
-                return ReportError(CStrVector("Invalid escape"));
+              ZoneList<CharacterRange>* ranges =
+                  new (zone()) ZoneList<CharacterRange>(2, zone());
+              if (!ParsePropertyClass(ranges, p == 'P')) {
+                return ReportError(CStrVector("Invalid property name"));
               }
+              RegExpCharacterClass* cc = new (zone())
+                  RegExpCharacterClass(zone(), ranges, builder->flags());
+              builder->AddCharacterClass(cc);
+
             } else {
               builder->AddCharacter(p);
             }
@@ -1590,7 +1585,7 @@ void RegExpParser::ParseClassEscape(ZoneList<CharacterRange>* ranges,
         return;
       case 'p':
       case 'P':
-        if (FLAG_harmony_regexp_property && unicode()) {
+        if (unicode()) {
           bool negate = Next() == 'P';
           Advance(2);
           if (!ParsePropertyClass(ranges, negate)) {

test/mjsunit/harmony/regexp-property-binary.js

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-regexp-property
-
 function t(re, s) { assertTrue(re.test(s)); }
 function f(re, s) { assertFalse(re.test(s)); }
 

test/mjsunit/harmony/regexp-property-char-class.js

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-regexp-property
-
 assertThrows("/[\\p]/u");
 assertThrows("/[\\p{garbage}]/u");
 assertThrows("/[\\p{}]/u");

test/mjsunit/harmony/regexp-property-disabled.js

-// Copyright 2016 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: --no-harmony-regexp-property
-
-function test(source, message) {
-  try {
-    eval(source);
-  } catch (e) {
-    assertEquals(message, e.message);
-    return;
-  }
-  assertUnreachable();
-}
-
-test("/\\pL/u", "Invalid regular expression: /\\pL/: Invalid escape");
-test("/[\\p{L}]/u", "Invalid regular expression: /[\\p{L}]/: Invalid escape");

test/mjsunit/harmony/regexp-property-enumerated.js

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-regexp-property
-
 assertThrows("/\\p{Bidi_Class=L}+/u");
 assertThrows("/\\p{bc=Left_To_Right}+/u");
 assertThrows("/\\p{bc=AL}+/u");

test/mjsunit/harmony/regexp-property-exact-match.js

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-regexp-property
-
 assertThrows("/\\p{In CJK}/u");
 assertThrows("/\\p{InCJKUnifiedIdeographs}/u");
 assertThrows("/\\p{InCJK}/u");

test/mjsunit/harmony/regexp-property-general-category.js

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-regexp-property
-
 assertThrows("/\\p/u");
 assertThrows("/\\p{garbage}/u");
 assertThrows("/\\p{}/u");

test/mjsunit/harmony/regexp-property-invalid.js

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-regexp-property
-
 assertThrows("/\p{Block=ASCII}+/u");
 assertThrows("/\p{Block=ASCII}+/u");
 assertThrows("/\p{Block=Basic_Latin}+/u");

test/mjsunit/harmony/regexp-property-lu-ui0.js

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-regexp-property
 // Files: test/mjsunit/harmony/regexp-property-lu-ui.js
 
 testCodePointRange(0);

test/mjsunit/harmony/regexp-property-lu-ui1.js

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-regexp-property
 // Files: test/mjsunit/harmony/regexp-property-lu-ui.js
 
 testCodePointRange(1);

test/mjsunit/harmony/regexp-property-lu-ui2.js

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-regexp-property
 // Files: test/mjsunit/harmony/regexp-property-lu-ui.js
 
 testCodePointRange(2);

test/mjsunit/harmony/regexp-property-lu-ui3.js

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-regexp-property
 // Files: test/mjsunit/harmony/regexp-property-lu-ui.js
 
 testCodePointRange(3);

test/mjsunit/harmony/regexp-property-lu-ui4.js

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-regexp-property
 // Files: test/mjsunit/harmony/regexp-property-lu-ui.js
 
 testCodePointRange(4);

test/mjsunit/harmony/regexp-property-lu-ui5.js

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-regexp-property
 // Files: test/mjsunit/harmony/regexp-property-lu-ui.js
 
 testCodePointRange(5);

test/mjsunit/harmony/regexp-property-lu-ui6.js

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-regexp-property
 // Files: test/mjsunit/harmony/regexp-property-lu-ui.js
 
 testCodePointRange(6);

test/mjsunit/harmony/regexp-property-lu-ui7.js

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-regexp-property
 // Files: test/mjsunit/harmony/regexp-property-lu-ui.js
 
 testCodePointRange(7);

test/mjsunit/harmony/regexp-property-lu-ui8.js

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-regexp-property
 // Files: test/mjsunit/harmony/regexp-property-lu-ui.js
 
 testCodePointRange(8);

test/mjsunit/harmony/regexp-property-lu-ui9.js

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-regexp-property
 // Files: test/mjsunit/harmony/regexp-property-lu-ui.js
 
 testCodePointRange(9);

test/mjsunit/harmony/regexp-property-script-extensions.js

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-regexp-property
-
 function t(re, s) { assertTrue(re.test(s)); }
 function f(re, s) { assertFalse(re.test(s)); }
 

test/mjsunit/harmony/regexp-property-scripts.js

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-regexp-property
-
 function t(re, s) { assertTrue(re.test(s)); }
 function f(re, s) { assertFalse(re.test(s)); }
 

test/mjsunit/harmony/regexp-property-special.js

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-regexp-property
-
 function t(re, s) { assertTrue(re.test(s)); }
 function f(re, s) { assertFalse(re.test(s)); }
 

test/mjsunit/regexp-modifiers-autogenerated-i18n.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --regexp-mode-modifiers --harmony-regexp-property
+// Flags: --regexp-mode-modifiers
 
 // These regexps are just grepped out of the other tests we already have
 // and the syntax changed from out-of-line i flag to inline i flag.

test/mjsunit/regexp-modifiers-autogenerated.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --regexp-mode-modifiers --harmony-regexp-property
+// Flags: --regexp-mode-modifiers
 
 // These regexps are just grepped out of the other tests we already have
 // and the syntax changed from out-of-line i flag to inline i flag.

test/mjsunit/regress/regress-793588.js

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-regexp-property
-
 assertNull(/a\P{Any}a/u.exec("a\u{d83d}a"));
 assertEquals(["a\u{d83d}a"], /a\p{Any}a/u.exec("a\u{d83d}a"));
 assertEquals(["a\u{d83d}a"], /(?:a\P{Any}a|a\p{Any}a)/u.exec("a\u{d83d}a"));

test/mjsunit/regress/regress-793793.js

@@ -2,6 +2,4 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-regexp-property
-
 assertThrows(() => new RegExp("\\1(\\P{P\0[}()/", "u"), SyntaxError);

test/test262/testcfg.py

@@ -43,7 +43,6 @@ from testrunner.outproc import test262
 # TODO(littledan): move the flag mapping into the status file
 FEATURE_FLAGS = {
   'BigInt': '--harmony-bigint',
-  'regexp-unicode-property-escapes': '--harmony-regexp-property',
   'class-fields-public': '--harmony-public-fields',
   'optional-catch-binding': '--harmony-optional-catch-binding',
   'class-fields-private': '--harmony-private-fields',