[clang] [clang-format] Fix crash involving array designators (PR #77045)

[Björn Schäpers via cfe-commits]

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@@ -1444,6 +1444,7 @@ WhitespaceManager::CellDescriptions WhitespaceManager::getCells(unsigned Start,
       } else if (C.Tok->is(tok::comma)) {
         if (!Cells.empty())
           Cells.back().EndIndex = i;
+
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HazardyKnusperkeks wrote:

Unrelated (and unwanted?)

https://github.com/llvm/llvm-project/pull/77045