Quick fix to make LIT_PRESERVES_TMP work again

llvm-svn: 280502

diff --git a/llvm/utils/lit/lit/main.py b/llvm/utils/lit/lit/main.py
index 243a9dddb462dc255ccaf6c13ed72a0ca3d00bac..ad5416ebde4181551c156068fe8f97b4bdd12e1b 100755 (executable)
--- a/llvm/utils/lit/lit/main.py
+++ b/llvm/utils/lit/lit/main.py
@@ -155,7 +155,8 @@ def main(builtinParameters = {}):
     try:
         main_with_tmp(builtinParameters)
     finally:
-        shutil.rmtree(lit_tmp)
+        if lit_tmp:
+            shutil.rmtree(lit_tmp)
 
 def main_with_tmp(builtinParameters):
     global options