fix typo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65839 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/PassSupport.h b/include/llvm/PassSupport.h
index c7ae300..a8d1839 100644
--- a/include/llvm/PassSupport.h
+++ b/include/llvm/PassSupport.h
@@ -127,7 +127,7 @@
     return ItfImpl;
   }
 
-  /// getPassInfo - Deprecated API compaatibility function. This function
+  /// getPassInfo - Deprecated API compatibility function. This function
   /// just returns 'this'.
   ///
   const PassInfo *getPassInfo() const {