[clang] [clang-format] Separate License text and include blocks (PR #77918)

[via cfe-commits]

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@@ -171,6 +187,31 @@ void DefinitionBlockSeparator::separateBlocks(
       return false;
     };
 
+    // Separate License text.
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seranu wrote:

Yes, that was my working assumption

https://github.com/llvm/llvm-project/pull/77918