[clang] [clang-format] treat continuation as indent for aligned lines (PR #191217)

[Björn Schäpers via cfe-commits]

================
@@ -545,6 +545,8 @@ struct FormatToken {
   /// The indent level of this token. Copied from the surrounding line.
   unsigned IndentLevel = 0;
 
+  unsigned ContinuationIndent = 0;
----------------
HazardyKnusperkeks wrote:

Can you add a comment? Also I'm not really happy with the name, but can't give you a better one at the moment. The `ContinuationIndent` is a option of the style, that could lead to confusion.

https://github.com/llvm/llvm-project/pull/191217