ccc: Darwin/x86: Add direct cpp support.
 - Add Darwin_X86_CC1Tool which is shared by Darwin/x86/Compile and
   Darwin/x86/Preprocess tools.

 - Minor bug fixes (CmpDriver exit code, -x cpp-output handling, some
   linker argument translation).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62551 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/CmpDriver b/utils/CmpDriver
index 0412e4b..cc4caad 100755
--- a/utils/CmpDriver
+++ b/utils/CmpDriver
@@ -168,7 +168,7 @@
                 else:
                     print 'mismatch: A: %s' % aElt
                     print '          B: %s' % bElt
-        differ = True
+            differ = True
 
     # Compare result codes.
     if infoA.exitCode != infoB.exitCode: