[JAVA] Optimize binary operators with equal operands.

[Andrew Haley]

Roger Sayle writes:
 > 2003-09-19  Roger Sayle  <roger@eyesopen.com>
 > 
 > 	* jcf-write.c (generate_bytecode_insns): Optimize binary operations
 > 	with equal operands without side-effects.
 > 

OK.

Andrew.