hg: build-infra/jdk9: 2 new changesets

[magnus.ihse.bursie at oracle.com]

Changeset: 8bc1f9665d4f
Author:    ihse
Date:      2016-02-10 14:48 +0100
URL:       http://hg.openjdk.java.net/build-infra/jdk9/rev/8bc1f9665d4f

Silence prtconf on sparc systems without devinfo.

! common/autoconf/build-performance.m4
! common/autoconf/generated-configure.sh

Changeset: 52417881ab4b
Author:    ihse
Date:      2016-02-10 22:10 +0100
URL:       http://hg.openjdk.java.net/build-infra/jdk9/rev/52417881ab4b

* Start using TOOLCHAIN_CHECK_COMPILER_VERSION
* Move -fcheck-new to gcc check
* Enable +w warnings on sol studio (regression from old build)

! common/autoconf/flags.m4
! common/autoconf/generated-configure.sh