SIL: Fix cl::desc typos. [NFC]

Author: rjmansfield

include/swift/SILOptimizer/PassManager/Passes.def

@@ -327,7 +327,7 @@ PASS(MoveCondFailToPreds, "move-cond-fail-to-preds",
 PASS(NoReturnFolding, "noreturn-folding",
      "Prune Control Flow at No-Return Calls Using SIL unreachable")
 SWIFT_FUNCTION_PASS(ObjCBridgingOptimization, "objc-bridging-opt",
-     "Optimize ObjectiveC briging operations")
+     "Optimize ObjectiveC bridging operations")
 SWIFT_FUNCTION_PASS(ObjectOutliner, "object-outliner",
      "Outlining of Global Objects")
 PASS(Outliner, "outliner",

lib/SILOptimizer/IPO/ClosureSpecializer.cpp

@@ -96,7 +96,7 @@ STATISTIC(NumPropagatedClosuresNotEliminated,
 llvm::cl::opt<bool> EliminateDeadClosures(
     "closure-specialize-eliminate-dead-closures", llvm::cl::init(true),
     llvm::cl::desc("Do not eliminate dead closures after closure "
-                   "specialization. This is meant ot be used when testing."));
+                   "specialization. This is meant to be used when testing."));
 
 //===----------------------------------------------------------------------===//
 //                                  Utility