hg: jdk9/sandbox: 8155587: Cross compilation may cause compiler warnings for "build" compiler

[chris.hegarty at oracle.com]

Changeset: b12ea8f800aa
Author:    erikj
Date:      2016-05-11 14:48 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/b12ea8f800aa

8155587: Cross compilation may cause compiler warnings for "build" compiler
Reviewed-by: dholmes, cjplummer

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