[clang] [clang-tools-extra] [clangd] Fix crash with null check for Token at Loc (PR #94528)

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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 3ac6a646d40cb16aebb3467007efa2e499383a3d 
c8467210ad82399482da5c9294d302e3695de288 -- 
clang-tools-extra/clangd/FindSymbols.cpp 
clang-tools-extra/clangd/IncludeCleaner.cpp 
clang-tools-extra/clangd/SemanticHighlighting.cpp 
clang-tools-extra/clangd/XRefs.cpp clang-tools-extra/clangd/refactor/Rename.cpp 
clang-tools-extra/clangd/unittests/PreambleTests.cpp 
clang-tools-extra/clangd/unittests/XRefsTests.cpp 
clang/include/clang/Tooling/Syntax/Tokens.h clang/lib/Tooling/Syntax/Tokens.cpp 
clang/unittests/Tooling/Syntax/TokensTest.cpp
``````````

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<details>
<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/clang-tools-extra/clangd/unittests/PreambleTests.cpp 
b/clang-tools-extra/clangd/unittests/PreambleTests.cpp
index 240d9bfc72..16a2f9448b 100644
--- a/clang-tools-extra/clangd/unittests/PreambleTests.cpp
+++ b/clang-tools-extra/clangd/unittests/PreambleTests.cpp
@@ -512,9 +512,10 @@ TEST(PreamblePatchTest, RefsToMacros) {
       ExpectedLocations.push_back(referenceRangeIs(R));
 
     for (const auto &P : Modified.points()) {
-      auto *MacroTok = 
AST->getTokens().spelledTokenContaining(SM.getComposedLoc(
-          SM.getMainFileID(),
-          llvm::cantFail(positionToOffset(Modified.code(), P))));
+      auto *MacroTok =
+          AST->getTokens().spelledTokenContaining(SM.getComposedLoc(
+              SM.getMainFileID(),
+              llvm::cantFail(positionToOffset(Modified.code(), P))));
       ASSERT_TRUE(MacroTok);
       EXPECT_THAT(findReferences(*AST, P, 0).References,
                   testing::ElementsAreArray(ExpectedLocations));

``````````

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https://github.com/llvm/llvm-project/pull/94528
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