File kjs-mark-register-stack.diff of Package mingw64-kdelibs4

Index: kjs/collector.cpp
===================================================================
--- a/kjs/collector.cpp
+++ b/kjs/collector.cpp
@@ -524,6 +524,9 @@ static inline void* currentThreadStackBa
     return stackBase;
 }
 
+#ifdef __ia64__
+extern "C" void *__libc_ia64_register_backing_store_base __attribute__((weak));
+#endif
 
 void Collector::markCurrentThreadConservatively()
 {
@@ -543,6 +546,11 @@ void Collector::markCurrentThreadConserv
     void* stackBase = currentThreadStackBase();
 
     markStackObjectsConservatively(stackPointer, stackBase);
+#ifdef __ia64__
+    __builtin_ia64_flushrs();
+    void *bsp = __builtin_ia64_bsp();
+    markStackObjectsConservatively(__libc_ia64_register_backing_store_base, bsp);
+#endif
 }
 
 #if USE(MULTIPLE_THREADS)