C2: fixes for incremental inlining

[Tobias Hartmann]

Hi Roland,

On 13.12.2016 16:59, Roland Westrelin wrote:
> http://cr.openjdk.java.net/~roland/valhalla/incrementalinlining/webrev.00/
> 
> This fixes incremental inlining (which is currently broken with both
> ValueTypePassFieldsAsArgs on and off).

Looks good to me! Please add a comment in line 1323 of compile.hpp before pushing.

Best regards,
Tobias