[llvm] r187919 - [lit] Avoid comparisons with None.

[Daniel Dunbar]

Author: ddunbar
Date: Wed Aug  7 16:43:23 2013
New Revision: 187919

URL: http://llvm.org/viewvc/llvm-project?rev=187919&view=rev
Log:
[lit] Avoid comparisons with None.

Modified:
    llvm/trunk/utils/lit/lit/TestRunner.py

Modified: llvm/trunk/utils/lit/lit/TestRunner.py
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/lit/lit/TestRunner.py?rev=187919&r1=187918&r2=187919&view=diff
==============================================================================
--- llvm/trunk/utils/lit/lit/TestRunner.py (original)
+++ llvm/trunk/utils/lit/lit/TestRunner.py Wed Aug  7 16:43:23 2013
@@ -224,7 +224,9 @@ def executeShCmd(cmd, cfg, cwd, results)
         results.append((cmd.commands[i], out, err, res))
         if cmd.pipe_err:
             # Python treats the exit code as a signed char.
-            if res < 0:
+            if exitCode is None:
+                exitCode = res
+            elif res < 0:
                 exitCode = min(exitCode, res)
             else:
                 exitCode = max(exitCode, res)