diff -r aeebffb56606 -r 9d6c9b0a8f15 src/share/vm/runtime/vm_version.cpp
--- a/src/share/vm/runtime/vm_version.cpp	Tue Aug 20 00:48:55 2013 -0700
+++ b/src/share/vm/runtime/vm_version.cpp	Tue Aug 20 13:47:40 2013 -0700
@@ -231,6 +231,8 @@
         #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