diff -ur kdelibs-4.2.0/kjs/dtoa.cpp kdelibs-4.2.0-kjs-gcc44-crash/kjs/dtoa.cpp
--- kdelibs-4.2.0/kjs/dtoa.cpp	2008-05-21 13:06:47.000000000 +0200
+++ kdelibs-4.2.0-kjs-gcc44-crash/kjs/dtoa.cpp	2009-02-18 17:45:52.000000000 +0100
@@ -169,6 +169,10 @@
  *	the result overflows to +-Infinity or underflows to 0.
  */
 
+#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
+#pragma GCC optimize("no-strict-aliasing")
+#endif
+
 #include "dtoa.h"
 #include <config.h>