From e7bed74ae2a96169d512aba826aeb988d580bb15 Mon Sep 17 00:00:00 2001
From: Jon Turney <jon.turney@dronecode.org.uk>
Date: Mon, 8 Oct 2018 20:27:25 +0100
Subject: Fix a bug in test_compiler_detection

AR wasn't reset in the environment, so this test could fail if more than one
language compiler was specified in the environment and the linker wasn't
'ar'
---
 run_unittests.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/run_unittests.py b/run_unittests.py
index b78088326..00bf5040e 100755
--- a/run_unittests.py
+++ b/run_unittests.py
@@ -1696,6 +1696,8 @@ class AllPlatformTests(BasePlatformTests):
                 wrapperlinker_s += shlex.quote(w) + ' '
             os.environ['AR'] = wrapperlinker_s
             wlinker = env.detect_static_linker(wcc)
+            # Pop it so we don't use it for the next detection
+            evalue = os.environ.pop('AR')
             # Must be the same type since it's a wrapper around the same exelist
             self.assertIs(type(cc), type(wcc))
             self.assertIs(type(linker), type(wlinker))
-- 
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