--- a/hotspot/src/share/vm/runtime/vm_version.cpp	Thu Aug 22 09:39:54 2013 -0700
+++ b/hotspot/src/share/vm/runtime/vm_version.cpp	Thu Sep 05 11:04:39 2013 -0700
@@ -233,6 +233,8 @@
         #define HOTSPOT_BUILD_COMPILER "Workshop 5.9"
       #elif __SUNPRO_CC == 0x5100
         #define HOTSPOT_BUILD_COMPILER "Sun Studio 12u1"
+      #elif __SUNPRO_CC == 0x5120
+        #define HOTSPOT_BUILD_COMPILER "Sun Studio 12u3"
       #else
         #define HOTSPOT_BUILD_COMPILER "unknown Workshop:" XSTR(__SUNPRO_CC)
       #endif