[clang] [clang-format] TableGen multi line string support. (PR #78032)

[Hirofumi Nakamura via cfe-commits]

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@@ -272,6 +274,14 @@ void FormatTokenLexer::tryMergePreviousTokens() {
       return;
     }
   }
+  if (Style.isTableGen()) {
+    if (tryMergeTokens({tok::l_square, tok::l_brace},
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hnakamura5 wrote:

Followed this suggestion.

https://github.com/llvm/llvm-project/pull/78032