Merge pull request swiftlang#68179 from gottesmm/pr-73806b3dc317b5e4b9f0be050784f51b290bdf59

Remove a clang optimize off that snuck into tree.

Author: gottesmm

lib/SILOptimizer/Mandatory/MoveOnlyAddressCheckerUtils.cpp

@@ -280,8 +280,6 @@
 using namespace swift;
 using namespace swift::siloptimizer;
 
-#pragma clang optimize off
-
 llvm::cl::opt<bool> DisableMoveOnlyAddressCheckerLifetimeExtension(
     "move-only-address-checker-disable-lifetime-extension",
     llvm::cl::init(false),