From 0af5493701f9982d7451c8b3c1b7699cc84ac94c Mon Sep 17 00:00:00 2001
From: Reid Kleckner <reid@kleckner.net>
Date: Mon, 22 Apr 2013 20:58:09 +0000
Subject: [PATCH] Add a missing reference on a std::vector<> out param

Pointed out by Eli.  The test passes for me either way, so I missed
this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180046 91177308-0d34-0410-b5e6-96231b3b80d8
---
 unittests/Support/ProgramTest.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/unittests/Support/ProgramTest.cpp b/unittests/Support/ProgramTest.cpp
index 479b6b57ec2..9dd9ccd11b7 100755
--- a/unittests/Support/ProgramTest.cpp
+++ b/unittests/Support/ProgramTest.cpp
@@ -24,7 +24,7 @@ ProgramTestStringArg1("program-test-string-arg1");
 static cl::opt<std::string>
 ProgramTestStringArg2("program-test-string-arg2");
 
-static void CopyEnvironment(std::vector<const char *> out) {
+static void CopyEnvironment(std::vector<const char *> &out) {
   // environ appears to be pretty portable.
   char **envp = environ;
   while (*envp != 0) {
-- 
2.11.0