[clang] [clang-format] Fix template parsing regression for unspaced user-defi… (PR #210630)

[Björn Schäpers via cfe-commits]

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@@ -16,7 +16,6 @@ namespace test {
 namespace {
 
 class FormatTest : public test::FormatTestBase {};
-
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HazardyKnusperkeks wrote:

Restore this empty line.

https://github.com/llvm/llvm-project/pull/210630