Server VM hangs in 5.0u12

Server Compiler hangs in 5.0u12 on any platforma, like Solaris, WinXp and linux.

REPRODUCE :
1) Compile the attached test case, "LoopTest.java"
2) Invoke, "java -server LoopTest"
This program does not return.

NOTE:
 When the program works well, we can see the following message.
 (Please execute the test program in c1)
F:\tmp\hang>java LoopTest
MyThread finished!
Test OK!