Re-commit ones ST missed

Author: leoshimo

lib/SILPasses/Loop/ArrayBoundsCheckOpts.cpp

@@ -1069,8 +1069,8 @@ static bool hoistBoundsChecks(SILLoop *Loop, DominanceInfo *DT, SILLoopInfo *LI,
 
   auto *Preheader = Loop->getLoopPreheader();
   if (!Preheader) {
-    // TODO: create one if neccessary.
     // TODO: create one if necessary.
+
     return false;
   }
 

lib/Sema/ConstraintSystem.h

@@ -1145,7 +1145,6 @@ class ConstraintSystem {
 
   Constraint *failedConstraint = nullptr;
 
-  /// \brief Failures that occured while solving.
   /// \brief Failures that occurred while solving.
   ///
   /// FIXME: We really need to track overload sets and type variable bindings