[PATCH] [Support] Add type generic bit utilities to MathExtras.h

[Benjamin Kramer]

================
Comment at: include/llvm/Support/MathExtras.h:28
@@ +27,3 @@
+/// \brief The behaivor an operation has on an input of 0.
+enum ZeroBehaivor {
+  /// \brief The returned value is undefined.
----------------
Typo: behaivor (repeated many times in the whole patch)


http://llvm-reviews.chandlerc.com/D841