[clang] Reject invalid integer constants in unevaluated preprocessor operands (PR #134884)

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


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

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You can test this locally with the following command:
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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions cpp,c -- clang/test/Preprocessor/constants.c clang/lib/Lex/PPExpressions.cpp
``````````

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<details>
<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Lex/PPExpressions.cpp b/clang/lib/Lex/PPExpressions.cpp
index 6a6762828..48835121b 100644
--- a/clang/lib/Lex/PPExpressions.cpp
+++ b/clang/lib/Lex/PPExpressions.cpp
@@ -345,8 +345,7 @@ static bool EvaluateValue(PPValue &Result, Token &PeekTok, DefinedTracker &DT,
     // Parse the integer literal into Result.
     if (Literal.GetIntegerValue(Result.Val)) {
       // Overflow parsing integer literal.
-      PP.Diag(PeekTok, diag::err_integer_literal_too_large)
-          << /* Unsigned */ 1;
+      PP.Diag(PeekTok, diag::err_integer_literal_too_large) << /* Unsigned */ 1;
       Result.Val.setIsUnsigned(true);
     } else {
       // Set the signedness of the result to match whether there was a U suffix

``````````

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https://github.com/llvm/llvm-project/pull/134884