hg: jdk8u/jdk8u-dev: 8223219: Backport of JDK-8199552 to OpenJDK 8 leads to duplicate -fstack-protector flags, overriding --with-extra-cflags

[gnu.andrew at redhat.com]

Changeset: ef88239d3d16
Author:    andrew
Date:      2019-07-24 03:18 +0100
URL:       https://hg.openjdk.java.net/jdk8u/jdk8u-dev/rev/ef88239d3d16

8223219: Backport of JDK-8199552 to OpenJDK 8 leads to duplicate -fstack-protector flags, overriding --with-extra-cflags
Summary: Apply -fstack-protector to all archs and remove duplication in JDK build
Reviewed-by: sgehwolf

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