[clang] [clang-format] Handle templates in qualified typenames (PR #143194)

[Björn Schäpers via cfe-commits]

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@@ -3622,6 +3622,29 @@ static unsigned maxNestingDepth(const AnnotatedLine &Line) {
   return Result;
 }
 
+static bool startsQualifiedName(const FormatToken *Tok) {
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HazardyKnusperkeks wrote:

Id check for `tok::identifier` and then move to `nextNonComment()` for checking `coloncolon` rsp. `TT_TemplateOpener`.

https://github.com/llvm/llvm-project/pull/143194