hg: jdk/sandbox: 8209639: assert failure in coalesce.cpp: attempted to spill a non-spillable item

[chris.hegarty at oracle.com]

Changeset: 76a51e26d0ac
Author:    roland
Date:      2018-08-17 17:13 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/76a51e26d0ac

8209639: assert failure in coalesce.cpp: attempted to spill a non-spillable item
Reviewed-by: neliasso, kvn

! src/hotspot/share/opto/coalesce.cpp
+ test/hotspot/jtreg/compiler/c2/SubsumingLoadsCauseFlagSpill.java