RFR: 8198888: Reduce string allocation churn in InvokerBytecodeGenerator

[Paul Sandoz]

> On Mar 1, 2018, at 4:14 AM, Claes Redestad <claes.redestad at oracle.com> wrote:
> 
> Hi,
> 
> two trivial optimizations that get rid of a few percent on ISC startup tests.
> 
> Webrev: http://cr.openjdk.java.net/~redestad/8198888/jdk.00/
> Bug: https://bugs.openjdk.java.net/browse/JDK-8198888
> 

Looks good. 

Unsurprising that int is so common given it’s the basic carrier for other primitive types.

Paul.