JavaScriptCore-1218.35.tar.gz

[apple/javascriptcore.git] / runtime / JSString.cpp

diff --git a/runtime/JSString.cpp b/runtime/JSString.cpp
index 86704d715805cba8e6f12faeae66cc35173451dc..6f0b09d13b5e29da2673dbd149b123beb270a7bc 100644 (file)
--- a/runtime/JSString.cpp
+++ b/runtime/JSString.cpp
@@ -40,6 +40,7 @@ void JSRopeString::RopeBuilder::expand()
 {
     ASSERT(m_index == JSRopeString::s_maxInternalRopeLength);
     JSString* jsString = m_jsString;
+    RELEASE_ASSERT(jsString);
     m_jsString = jsStringBuilder(&m_vm);
     m_index = 0;
     append(jsString);