Merge branch 'jk/test-asan'

* jk/test-asan:
  t: support clang/gcc AddressSanitizer

t/lib-httpd/apache.conf

@@ -69,6 +69,7 @@ LockFile accept.lock
 PassEnv GIT_VALGRIND
 PassEnv GIT_VALGRIND_OPTIONS
 PassEnv GNUPGHOME
+PassEnv ASAN_OPTIONS
 
 Alias /dumb/ www/
 Alias /auth/dumb/ www/auth/dumb/

t/test-lib.sh

@@ -140,6 +140,9 @@ else
 	}
 fi
 
+: ${ASAN_OPTIONS=detect_leaks=0}
+export ASAN_OPTIONS
+
 # Protect ourselves from common misconfiguration to export
 # CDPATH into the environment
 unset CDPATH