hg: jdk-updates/jdk13u-dev: 2 new changesets

[vkempik at azul.com]

Changeset: ed2f6b37d87d
Author:    vkempik
Date:      2020-06-23 13:41 +0300
URL:       https://hg.openjdk.java.net/jdk-updates/jdk13u-dev/rev/ed2f6b37d87d

8243470: [macos] bring back O2 opt level for unsafe.cpp
Summary: Remove special case for unsafe.cpp on clang macos
Reviewed-by: erikj, ihse

! make/hotspot/lib/JvmOverrideFiles.gmk

Changeset: adc8a36fc7ec
Author:    vkempik
Date:      2020-07-02 20:33 +0300
URL:       https://hg.openjdk.java.net/jdk-updates/jdk13u-dev/rev/adc8a36fc7ec

8248495: [macos] zerovm is broken due to libffi headers location
Reviewed-by: ihse, erikj

! make/autoconf/lib-ffi.m4