ccc: Support running piped jobs (-pipe now works).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62396 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/ccc/ccclib/Tools.py b/tools/ccc/ccclib/Tools.py
index 8b4efd4..667ff7a 100644
--- a/tools/ccc/ccclib/Tools.py
+++ b/tools/ccc/ccclib/Tools.py
@@ -141,7 +141,7 @@
 
         cmd_args.extend(arglist.render(output))
         if isinstance(input.source, Jobs.PipedJob):
-            cmd_args.append('-')
+            pass
         else:
             cmd_args.extend(arglist.renderAsInput(input.source))