hg: graal/graal-compiler: detect runaway unroll via growth instead of fixed size

[doug.simon at oracle.com]

Changeset: 2a73030c41ad
Author:    Lukas Stadler <lukas.stadler at oracle.com>
Date:      2016-01-29 10:22 +0100
URL:       http://hg.openjdk.java.net/graal/graal-compiler/rev/2a73030c41ad

detect runaway unroll via growth instead of fixed size

! graal/com.oracle.graal.loop.phases/src/com/oracle/graal/loop/phases/LoopTransformations.java