[llvm] [Reassociate] Preserve NSW flags after expr tree rewriting (PR #93105)

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git-clang-format --diff c98a79939234e41f5b95ddfa1651c732daa10cda c8edf9bf6c7e297256ca32e0de3fb638789710ac -- llvm/include/llvm/Transforms/Scalar/Reassociate.h llvm/lib/Transforms/Scalar/Reassociate.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/include/llvm/Transforms/Scalar/Reassociate.h b/llvm/include/llvm/Transforms/Scalar/Reassociate.h
index 48a8f4083e..9708715881 100644
--- a/llvm/include/llvm/Transforms/Scalar/Reassociate.h
+++ b/llvm/include/llvm/Transforms/Scalar/Reassociate.h
@@ -67,7 +67,8 @@ struct OverflowTracking {
   bool HasNUW;
   bool HasNSW;
   bool AllKnownNonNegative;
-  OverflowTracking(void) : HasNUW(true), HasNSW(true), AllKnownNonNegative(true) {}
+  OverflowTracking(void)
+      : HasNUW(true), HasNSW(true), AllKnownNonNegative(true) {}
 };
 
 class XorOpnd;

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https://github.com/llvm/llvm-project/pull/93105