[clang] [clang-format] Add BreakAfterReturnType option to deprecate AlwaysBreakAfterReturnType. (PR #80827)

[Björn Schäpers via cfe-commits]

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@@ -1010,7 +1010,8 @@ struct FormatStyle {
   /// \version 3.7
   DefinitionReturnTypeBreakingStyle AlwaysBreakAfterDefinitionReturnType;
 
-  /// The function declaration return type breaking style to use.
+  /// The function declaration return type breaking style to use.  This
+  /// option is **deprecated** and is retained for backwards compatibility.
   /// \version 3.8
   ReturnTypeBreakingStyle AlwaysBreakAfterReturnType;
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HazardyKnusperkeks wrote:

The actual member has to go.

https://github.com/llvm/llvm-project/pull/80827