1 files changed, 9 insertions, 2 deletions

diff --git a/JavaScriptCore/yarr/RegexInterpreter.h b/JavaScriptCore/yarr/RegexInterpreter.h
index 4da9cc5..37f17fe 100644
--- a/JavaScriptCore/yarr/RegexInterpreter.h
+++ b/JavaScriptCore/yarr/RegexInterpreter.h
@@ -94,6 +94,7 @@ struct ByteTerm {
         struct {
             int next;
             int end;
+            bool onceThrough;
         } alternative;
         unsigned checkInputCount;
     };
@@ -215,19 +216,21 @@ struct ByteTerm {
         return ByteTerm(TypeBackReference, subpatternId, false, inputPos);
     }
 
-    static ByteTerm BodyAlternativeBegin()
+    static ByteTerm BodyAlternativeBegin(bool onceThrough)
     {
         ByteTerm term(TypeBodyAlternativeBegin);
         term.alternative.next = 0;
         term.alternative.end = 0;
+        term.alternative.onceThrough = onceThrough;
         return term;
     }
 
-    static ByteTerm BodyAlternativeDisjunction()
+    static ByteTerm BodyAlternativeDisjunction(bool onceThrough)
     {
         ByteTerm term(TypeBodyAlternativeDisjunction);
         term.alternative.next = 0;
         term.alternative.end = 0;
+        term.alternative.onceThrough = onceThrough;
         return term;
     }
 
@@ -236,6 +239,7 @@ struct ByteTerm {
         ByteTerm term(TypeBodyAlternativeEnd);
         term.alternative.next = 0;
         term.alternative.end = 0;
+        term.alternative.onceThrough = false;
         return term;
     }
 
@@ -244,6 +248,7 @@ struct ByteTerm {
         ByteTerm term(TypeAlternativeBegin);
         term.alternative.next = 0;
         term.alternative.end = 0;
+        term.alternative.onceThrough = false;
         return term;
     }
 
@@ -252,6 +257,7 @@ struct ByteTerm {
         ByteTerm term(TypeAlternativeDisjunction);
         term.alternative.next = 0;
         term.alternative.end = 0;
+        term.alternative.onceThrough = false;
         return term;
     }
 
@@ -260,6 +266,7 @@ struct ByteTerm {
         ByteTerm term(TypeAlternativeEnd);
         term.alternative.next = 0;
         term.alternative.end = 0;
+        term.alternative.onceThrough = false;
         return term;
     }