1 files changed, 4 insertions, 4 deletions
diff --git a/js/src/irregexp/RegExpAST.cpp b/js/src/irregexp/RegExpAST.cpp
index 14dfe8cea5..dc8d3b4c2c 100644
--- a/js/src/irregexp/RegExpAST.cpp
+++ b/js/src/irregexp/RegExpAST.cpp
@@ -249,16 +249,16 @@ RegExpCapture::CaptureRegisters()
 }
 
 // ----------------------------------------------------------------------------
-// RegExpLookahead
+// RegExpLookaround
 
 Interval
-RegExpLookahead::CaptureRegisters()
+RegExpLookaround::CaptureRegisters()
 {
     return body()->CaptureRegisters();
 }
 
 bool
-RegExpLookahead::IsAnchoredAtStart()
+RegExpLookaround::IsAnchoredAtStart()
 {
-    return is_positive() && body()->IsAnchoredAtStart();
+    return is_positive() && type() == LOOKAHEAD && body()->IsAnchoredAtStart();
 }