--- old/src/cpu/sparc/vm/globalDefinitions_sparc.hpp	2016-02-23 17:19:54.429857451 +0100
+++ new/src/cpu/sparc/vm/globalDefinitions_sparc.hpp	2016-02-23 17:19:52.887056801 +0100
@@ -32,7 +32,7 @@
 
 // Indicates whether the C calling conventions require that
 // 32-bit integer argument values are extended to 64 bits.
-const bool CCallingConventionRequiresIntsAsLongs = false;
+const bool CCallingConventionRequiresIntsAsLongs = true;
 
 #define SUPPORTS_NATIVE_CX8