[clang] [clang][Sema] Emit more specific diagnostic for auto in lambda before C++14 (#46059) (PR #68540)

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github-actions[bot] wrote:


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

:warning: C/C++ code formatter, clang-format found issues in your code. 
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``````````bash
git-clang-format --diff 606f89ab7d537ca068fb1be9fd89d96a30de38f8 
031e76900f6e63c97ed8666066ff98d967305af4 -- clang/lib/Sema/SemaType.cpp 
clang/test/SemaCXX/auto-cxx0x.cpp
``````````

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<details>
<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Sema/SemaType.cpp b/clang/lib/Sema/SemaType.cpp
index da759ba340c7..4f54645a9c14 100644
--- a/clang/lib/Sema/SemaType.cpp
+++ b/clang/lib/Sema/SemaType.cpp
@@ -3610,7 +3610,8 @@ static QualType 
GetDeclSpecTypeForDeclarator(TypeProcessingState &state,
           Error = 24; // auto not allowed in lambda parameter (before C++14)
           break;
         } else if (!Auto || Auto->getKeyword() != AutoTypeKeyword::Auto) {
-          Error = 16; // __auto_type or decltype(auto) not allowed in lambda 
parameter
+          Error = 16; // __auto_type or decltype(auto) not allowed in lambda
+                      // parameter
           break;
         }
         Info = SemaRef.getCurLambda();

``````````

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https://github.com/llvm/llvm-project/pull/68540
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