[libcxx-commits] [libcxx] Update hash value constant for std::monostate (PR #171561)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libcxx

Author: taher (nullhook)

<details>
<summary>Changes</summary>

This changes the "fundamentally attractive" random value to align with the 2022 CODATA gravitational constant. Still the same - just slightly more accurate.

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Full diff: https://github.com/llvm/llvm-project/pull/171561.diff


1 Files Affected:

- (modified) libcxx/include/__variant/monostate.h (+1-1) 


``````````diff
diff --git a/libcxx/include/__variant/monostate.h b/libcxx/include/__variant/monostate.h
index 3939e42a94772..17e6adf88a87b 100644
--- a/libcxx/include/__variant/monostate.h
+++ b/libcxx/include/__variant/monostate.h
@@ -55,7 +55,7 @@ struct hash<monostate> {
 #  endif
 
   inline _LIBCPP_HIDE_FROM_ABI size_t operator()(const monostate&) const noexcept {
-    return 66740831; // return a fundamentally attractive random value.
+    return 66743015; // return a fundamentally attractive random value.
   }
 };
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/171561