hg: jdk8u/jdk8u-dev/hotspot: 3 new changesets

[shade at redhat.com]

Changeset: b290489738b8
Author:    kvn
Date:      2018-06-15 08:28 -0700
URL:       https://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot/rev/b290489738b8

8202948: C2: assert(init_offset >= 0) failed: positive offset from object start
Summary: convert the assert into compilation check which will skip superword optimization
Reviewed-by: roland, thartmann

! src/share/vm/opto/superword.cpp
+ test/compiler/loopopts/superword/TestNegBaseOffset.java

Changeset: 7e0a4478e80f
Author:    neliasso
Date:      2019-02-14 14:31 +0100
URL:       https://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot/rev/7e0a4478e80f

8087128: C2: Disallow definition split on MachCopySpill nodes
Reviewed-by: kvn

! src/share/vm/opto/reg_split.cpp

Changeset: 9f614da5f371
Author:    kvn
Date:      2015-06-19 17:46 -0700
URL:       https://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot/rev/9f614da5f371

8080157: assert(allocates2(pc)) failed: not in CodeBuffer memory
Summary: increase code_size2 for stubs
Reviewed-by: iveresov

! src/cpu/x86/vm/stubRoutines_x86_64.hpp
! src/share/vm/runtime/stubRoutines.cpp