ccc: Track last actual argument instance for each option & change
driver to lookup this way instead of manually scanning arguments in
multiple places.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61793 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/ccc/ccclib/Tools.py b/tools/ccc/ccclib/Tools.py
index ddfb029..1468fe8 100644
--- a/tools/ccc/ccclib/Tools.py
+++ b/tools/ccc/ccclib/Tools.py
@@ -3,7 +3,7 @@
 import Types
 
 class Tool(object):
-    """Tool - A concrete implementation of a phase."""
+    """Tool - A concrete implementation of an action."""
 
     eFlagsPipedInput = 1 << 0
     eFlagsPipedOutput = 1 << 1