From fbe64b65a895a565884a36fa452e5b41ac8bef62 Mon Sep 17 00:00:00 2001
From: Dean Michael Berris <dberris@google.com>
Date: Tue, 28 Feb 2017 08:48:46 +0000
Subject: [PATCH] [XRay] [compiler-rt] [NFC] Annotate unused variables for the
 compiler.

Summary:
Use a common definition of a "this variable is unused" annotation for useless
variables only present for their lambda global initializers, to silence gcc's
warning.

Reviewers: dberris

Reviewed By: dberris

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D29860

llvm-svn: 296449
---
 compiler-rt/lib/xray/xray_fdr_logging.cc  | 2 +-
 compiler-rt/lib/xray/xray_inmemory_log.cc | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/compiler-rt/lib/xray/xray_fdr_logging.cc b/compiler-rt/lib/xray/xray_fdr_logging.cc
index 44ec8fe4bfa2..6db384519e66 100644
--- a/compiler-rt/lib/xray/xray_fdr_logging.cc
+++ b/compiler-rt/lib/xray/xray_fdr_logging.cc
@@ -523,7 +523,7 @@ void fdrLoggingHandleArg0(int32_t FuncId,
 
 } // namespace __xray
 
-static auto Unused = [] {
+static auto UNUSED Unused = [] {
   using namespace __xray;
   if (flags()->xray_fdr_log) {
     XRayLogImpl Impl{
diff --git a/compiler-rt/lib/xray/xray_inmemory_log.cc b/compiler-rt/lib/xray/xray_inmemory_log.cc
index da08d3e21013..fd4f54931000 100644
--- a/compiler-rt/lib/xray/xray_inmemory_log.cc
+++ b/compiler-rt/lib/xray/xray_inmemory_log.cc
@@ -129,7 +129,7 @@ void __xray_InMemoryRawLog(int32_t FuncId,
   }
 }
 
-static auto Unused = [] {
+static auto UNUSED Unused = [] {
   if (!probeRequiredCPUFeatures()) {
     Report("Required CPU features missing for XRay instrumentation, not "
            "installing instrumentation hooks.\n");