diff -r 56cd8111b7f7 -r 41300fa6a67c src/3rdparty/webkit/JavaScriptCore/jit/JITCall.cpp
--- a/src/3rdparty/webkit/JavaScriptCore/jit/JITCall.cpp	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/3rdparty/webkit/JavaScriptCore/jit/JITCall.cpp	Tue Feb 02 00:43:10 2010 +0200
@@ -614,7 +614,7 @@
     END_UNINTERRUPTED_SEQUENCE(sequenceOpCall);
 
     addSlowCase(jumpToSlow);
-    ASSERT(differenceBetween(addressOfLinkedFunctionCheck, jumpToSlow) == patchOffsetOpCallCompareToJump);
+    ASSERT_JIT_OFFSET(differenceBetween(addressOfLinkedFunctionCheck, jumpToSlow), patchOffsetOpCallCompareToJump);
     m_callStructureStubCompilationInfo[callLinkInfoIndex].hotPathBegin = addressOfLinkedFunctionCheck;
 
     // The following is the fast case, only used whan a callee can be linked.