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-rw-r--r--test/Unit/lit.cfg4
1 files changed, 4 insertions, 0 deletions
diff --git a/test/Unit/lit.cfg b/test/Unit/lit.cfg
index 30a5d3fab82..dac0bf829ba 100644
--- a/test/Unit/lit.cfg
+++ b/test/Unit/lit.cfg
@@ -43,6 +43,10 @@ if sys.platform in ['win32', 'cygwin'] and os.path.isdir(config.shlibdir):
config.environment['PATH'] = os.path.pathsep.join((
config.shlibdir, config.environment['PATH']))
+# Win32 may use %SYSTEMDRIVE% during file system shell operations, so propogate.
+if sys.platform == 'win32' and 'SYSTEMDRIVE' in os.environ:
+ config.environment['SYSTEMDRIVE'] = os.environ['SYSTEMDRIVE']
+
###
# Check that the object root is known.