[clang] [clang-format] Allow array alignment on non-rectangular arrays (PR #143781)

[Ben Dunkin via cfe-commits]

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@@ -278,6 +278,33 @@ void WhitespaceManager::calculateLineBreakInformation() {
   }
 }
 
+// Sets the spaces in front of a Change, and updates the start/end columns of
+// subsequent tokens so that trailing comments and escaped newlines can be
+// aligned properly
+static void
+SetChangeSpaces(unsigned Start, unsigned Spaces,
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bdunkin wrote:

Updating `Spaces`, without also modifying `PreviousEndOfTokenColumn` for the next token means the spaces are not considered when aligning trailing comments or preprocessor line breaks. I changed all places in this file that modified `Spaces` directly to use this function instead.

https://github.com/llvm/llvm-project/pull/143781