hg: jdk8u/jdk8u: 2 new changesets

[rob.mckenna at oracle.com]

Changeset: c0b1ccecf70f
Author:    dbuck
Date:      2018-01-16 04:18 -0500
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u/rev/c0b1ccecf70f

8187045: [linux] Not all libraries in the VM are linked with -z,noexecstack
Reviewed-by: dholmes, erikj

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

Changeset: 67122a315e79
Author:    robm
Date:      2018-02-07 10:39 -0800
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u/rev/67122a315e79

Merge

! common/autoconf/generated-configure.sh