[regexp] Fix non-match and max match length in RegExpCharacterClass.

src/regexp/jsregexp.cc

Index: src/regexp/jsregexp.cc
diff --git a/src/regexp/jsregexp.cc b/src/regexp/jsregexp.cc
index 3fe46b7390b2572ef60bd254ceeb83d1e79f667d..fe04fbc9cff40f6f9e31f1f01bc33bf39990ec9e 100644
--- a/src/regexp/jsregexp.cc
+++ b/src/regexp/jsregexp.cc
@@ -5159,8 +5159,10 @@ RegExpNode* RegExpCharacterClass::ToNode(RegExpCompiler* compiler,
       ranges = negated;
     }
     if (ranges->length() == 0) {
-      // No matches possible.
-      return new (zone) EndNode(EndNode::BACKTRACK, zone);
+      ranges->Add(CharacterRange::Everything(), zone);
+      RegExpCharacterClass* fail =
+          new (zone) RegExpCharacterClass(ranges, true);
+      return new (zone) TextNode(fail, compiler->read_backward(), on_success);
     }
     if (standard_type() == '*') {
       return UnanchoredAdvance(compiler, on_success);