[clang] [Clang] Fix null pointer dereference in enum debug info generation (PR #97105)

[Michael Buch via cfe-commits]

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@@ -3518,6 +3518,10 @@ llvm::DIType *CGDebugInfo::CreateTypeDefinition(const EnumType *Ty) {
 
   SmallVector<llvm::Metadata *, 16> Enumerators;
   ED = ED->getDefinition();
+
+  if (!ED)
+    return nullptr;
+
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Michael137 wrote:

Do you have an example/reproducer where this would get exercised?

https://github.com/llvm/llvm-project/pull/97105