review(XXS): 7104177: Tiered: -XX:+PrintCanonicalization doesn't work with -XX:+TieredCompilation

[Igor Veresov]

 C1 fills printable_bci when attaching an instruction to a basic block, but canonicalization happens before that. 
We need to initialize it for proper printing of the canonicalized instruction. 

Webrev: http://cr.openjdk.java.net/~iveresov/7104177/webrev.00/

igor