From: Reid Kleckner <reid@kleckner.net>
Date: Thu, 26 Feb 2015 21:08:21 +0000 (+0000)
Subject: Silence some Win64 clang-cl warnings about unused stuff due to ifdefs
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b2d565708c76d19ab54c49a4e7d07f67e917ac10;p=oota-llvm.git

Silence some Win64 clang-cl warnings about unused stuff due to ifdefs

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230685 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Support/Windows/Signals.inc b/lib/Support/Windows/Signals.inc
index fa16aa58c7f..aa1aa721945 100644
--- a/lib/Support/Windows/Signals.inc
+++ b/lib/Support/Windows/Signals.inc
@@ -184,7 +184,8 @@ namespace llvm {
 /// AvoidMessageBoxHook - Emulates hitting "retry" from an "abort, retry,
 /// ignore" CRT debug report dialog.  "retry" raises an exception which
 /// ultimately triggers our stack dumper.
-static int AvoidMessageBoxHook(int ReportType, char *Message, int *Return) {
+static LLVM_ATTRIBUTE_UNUSED int
+AvoidMessageBoxHook(int ReportType, char *Message, int *Return) {
   // Set *Return to the retry code for the return value of _CrtDbgReport:
   // http://msdn.microsoft.com/en-us/library/8hyw4sy7(v=vs.71).aspx
   // This may also trigger just-in-time debugging via DebugBreak().
diff --git a/unittests/Support/CommandLineTest.cpp b/unittests/Support/CommandLineTest.cpp
index 0b076e3009b..9d7679da511 100644
--- a/unittests/Support/CommandLineTest.cpp
+++ b/unittests/Support/CommandLineTest.cpp
@@ -35,6 +35,8 @@ class TempEnvVar {
 #if HAVE_SETENV
     // Assume setenv and unsetenv come together.
     unsetenv(name);
+#else
+    (void)name; // Suppress -Wunused-private-field.
 #endif
   }