git: openjdk/jdk: 8259949: x86 32-bit build fails when -fcf-protection is passed in the compiler flags

[Andrew John Hughes]

Changeset: 07851474
Author:    Andrew John Hughes <andrew at openjdk.org>
Date:      2021-01-20 16:13:42 +0000
URL:       https://git.openjdk.java.net/jdk/commit/07851474

8259949: x86 32-bit build fails when -fcf-protection is passed in the compiler flags

Use -march=i686 instead of -march=i586 if -fcf-protection is passed to the build as CMOV is required

Reviewed-by: erikj

! make/autoconf/flags-cflags.m4