[PATCH] Option parsing: support case-insensitive option matching.

[Rui Ueyama]

================
Comment at: include/llvm/Option/OptTable.h:15
@@ -14,2 +14,3 @@
 #include "llvm/Option/OptSpecifier.h"
+#include <cctype>
 
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I will remove this #include before submitting.


http://llvm-reviews.chandlerc.com/D1485

BRANCH
  ignore-case

ARCANIST PROJECT
  llvm