[llvm] [llubi] Error if main is not a definition (PR #226475)

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github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


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<details>
<summary>
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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/tools/llubi/llubi.cpp --diff_from_common_commit
``````````

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The reproduction instructions above might return results for more than one PR
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changing `origin/main` to the base branch/commit you want to compare against.
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<details>
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/tools/llubi/llubi.cpp b/llvm/tools/llubi/llubi.cpp
index 659b09264..00863dd5e 100644
--- a/llvm/tools/llubi/llubi.cpp
+++ b/llvm/tools/llubi/llubi.cpp
@@ -278,8 +278,7 @@ int main(int argc, char **argv) {
     return 1;
   }
   if (EntryFn->isDeclaration()) {
-    WithColor::error() << '\'' << EntryFunc
-                       << "\' must be definition.\n";
+    WithColor::error() << '\'' << EntryFunc << "\' must be definition.\n";
     return 1;
   }
   TargetLibraryInfo TLI(Ctx.getTLIImpl());

``````````

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https://github.com/llvm/llvm-project/pull/226475