Bug 1831446 - Update irregexp to d94dfc2b01f988566aa410ce871588cf23b1285d r=iain

Differential Revision: https://phabricator.services.mozilla.com/D177209

Author: updatebot-ci

js/src/irregexp/imported/regexp-parser.cc

@@ -2524,6 +2524,7 @@ RegExpTree* RegExpParserImpl<CharT>::ParseClassStringDisjunction(
   }
 
   AddClassString(string, string_builder.ToRegExp(), ranges, strings, zone());
+  CharacterRange::Canonicalize(ranges);
 
   // We don't need to handle missing closing '}' here.
   // If the character class is correctly closed, ParseClassSetCharacter will
@@ -2766,6 +2767,14 @@ RegExpTree* RegExpParserImpl<CharT>::ParseClassUnion(
     return ReportError(RegExpError::kNegatedCharacterClassWithStrings);
   }
 
+  if (operands->is_empty()) {
+    // Return empty expression if no operands were added (e.g. [\P{Any}]
+    // produces an empty range).
+    DCHECK(ranges->is_empty());
+    DCHECK(strings->empty());
+    return RegExpClassSetExpression::Empty(zone(), is_negated);
+  }
+
   return zone()->template New<RegExpClassSetExpression>(
       RegExpClassSetExpression::OperationType::kUnion, is_negated,
       may_contain_strings, operands);

js/src/irregexp/moz.yaml

@@ -9,8 +9,8 @@ origin:
   description: A fast regular expression engine from V8
   url: https://v8.dev
 
-  release: 5a3db5caabd2c247a567576d68de0493ff70f3f2 (Wed Apr 05 17:54:29 2023).
-  revision: 5a3db5caabd2c247a567576d68de0493ff70f3f2
+  release: d94dfc2b01f988566aa410ce871588cf23b1285d (Thu May 04 20:02:50 2023).
+  revision: d94dfc2b01f988566aa410ce871588cf23b1285d
 
   license: BSD-3-Clause
   license-file: LICENSE.v8