hg: jdk/sandbox: 2 new changesets

[chris.hegarty at oracle.com]

Changeset: 11aac2721a67
Author:    burban
Date:      2020-07-21 10:32 -0400
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/11aac2721a67

8248671: AArch64: Remove unused variables
Summary: Remove unused variables in the AArch64 backend. Detected by compiling with MSVC, which warns about them.
Reviewed-by: aph, dholmes
Contributed-by: Bernhard Urban-Forster <beurba at microsoft.com>

! src/hotspot/cpu/aarch64/c1_LIRAssembler_aarch64.cpp
! src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp

Changeset: 3a436b65fd0a
Author:    kbarrett
Date:      2020-07-22 00:13 -0400
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/3a436b65fd0a

8246032: Implementation of JEP 347: Enable C++14 Language Features
Summary: Update build configuration to use C++14
Reviewed-by: jlaskey, mdoerr, ihse, erikj

! doc/building.html
! doc/building.md
! make/autoconf/flags-cflags.m4
! make/autoconf/flags-ldflags.m4
! make/autoconf/lib-std.m4
! make/autoconf/spec.gmk.in
! make/autoconf/toolchain.m4
! make/autoconf/toolchain_windows.m4
! make/hotspot/gensrc/GensrcAdlc.gmk
! make/modules/jdk.hotspot.agent/Lib.gmk