[clang] clang-format: Add AlignFunctionDeclarations attribute to AlignConsecutiveDeclarations (PR #108241)

[Owen Pan via cfe-commits]

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@@ -225,6 +225,21 @@ struct FormatStyle {
     ///   bbb = 2;
     /// \endcode
     bool AlignCompound;
+    /// Only for ``AlignConsecutiveDeclarations``. Whether function declarations
+    /// are aligned.
+    /// \code
+    ///   true:
+    ///   unsigned int f1(void);
+    ///   void         f2(void);
+    ///   size_t       f3(void);
+    ///
+    ///   false:
+    ///   unsigned int f1(void);
+    ///   void f2(void);
+    ///   size_t f3(void);
+    /// \endcode
+    /// \version 20
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owenca wrote:

GitHub review comments is about the line above unless a range of lines are shown like in https://github.com/llvm/llvm-project/pull/106145/files#r1769761150.

https://github.com/llvm/llvm-project/pull/108241