llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-clang @llvm/pr-subscribers-clang-codegen Author: None (smanna12) <details> <summary>Changes</summary> This patch prevents dereferencing a null enum definition by returning `nullptr` if `getDefinition()` fails in `CreateTypeDefinition()`. --- Full diff: https://github.com/llvm/llvm-project/pull/97105.diff 1 Files Affected: - (modified) clang/lib/CodeGen/CGDebugInfo.cpp (+4) ``````````diff diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp index 3d8a715b692de..c236e2657fe98 100644 --- a/clang/lib/CodeGen/CGDebugInfo.cpp +++ b/clang/lib/CodeGen/CGDebugInfo.cpp @@ -3518,6 +3518,10 @@ llvm::DIType *CGDebugInfo::CreateTypeDefinition(const EnumType *Ty) { SmallVector<llvm::Metadata *, 16> Enumerators; ED = ED->getDefinition(); + + if (!ED) + return nullptr; + for (const auto *Enum : ED->enumerators()) { Enumerators.push_back( DBuilder.createEnumerator(Enum->getName(), Enum->getInitVal())); `````````` </details> https://github.com/llvm/llvm-project/pull/97105 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
