[clang-tools-extra] ea48d14 - [Clangd] [NFC] Fix dereference of null value (#159566)

[via cfe-commits]

Author: Zahira Ammarguellat
Date: 2025-09-18T13:25:15-04:00
New Revision: ea48d14faff82beea4181b72986c72a8929a3186

URL: https://github.com/llvm/llvm-project/commit/ea48d14faff82beea4181b72986c72a8929a3186
DIFF: https://github.com/llvm/llvm-project/commit/ea48d14faff82beea4181b72986c72a8929a3186.diff

LOG: [Clangd] [NFC] Fix dereference of null value (#159566)

This is a find from static analysis tool complaining about potential
dereference of `nullptr` for `RD`.

Added: 
    

Modified: 
    clang-tools-extra/clangd/AST.cpp

Removed: 
    


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diff  --git a/clang-tools-extra/clangd/AST.cpp b/clang-tools-extra/clangd/AST.cpp
index b96a84519e78c..0dcff2eae05e7 100644
--- a/clang-tools-extra/clangd/AST.cpp
+++ b/clang-tools-extra/clangd/AST.cpp
@@ -147,7 +147,8 @@ std::string getQualification(ASTContext &Context,
     if (auto *TD = llvm::dyn_cast<TagDecl>(CurD)) {
       QualType T;
       if (const auto *RD = dyn_cast<CXXRecordDecl>(TD);
-          ClassTemplateDecl *CTD = RD->getDescribedClassTemplate()) {
+          ClassTemplateDecl *CTD =
+              RD ? RD->getDescribedClassTemplate() : nullptr) {
         ArrayRef<TemplateArgument> Args;
         if (const auto *SD = dyn_cast<ClassTemplateSpecializationDecl>(RD))
           Args = SD->getTemplateArgs().asArray();