From 941813305546c1ee937e6aaeb96b541aa9097295 Mon Sep 17 00:00:00 2001
From: Nico Weber <nicolasweber@gmx.de>
Date: Fri, 24 Apr 2015 22:18:46 +0000
Subject: [PATCH] Assert that Process::FindInEnvPath() is passed a relative
 path.

It misbehaves with absolute paths. (So does path::append().)
Goes with clang r235787.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235788 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Support/Process.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/Support/Process.cpp b/lib/Support/Process.cpp
index 3571cd3132e..6dcbb47e87d 100644
--- a/lib/Support/Process.cpp
+++ b/lib/Support/Process.cpp
@@ -29,6 +29,7 @@ using namespace sys;
 Optional<std::string> Process::FindInEnvPath(const std::string& EnvName,
                                              const std::string& FileName)
 {
+  assert(!path::is_absolute(FileName));
   Optional<std::string> FoundPath;
   Optional<std::string> OptPath = Process::GetEnv(EnvName);
   if (!OptPath.hasValue())
-- 
2.34.1