================
@@ -2009,7 +2009,8 @@ class ClassTemplateSpecializationDecl : public
CXXRecordDecl,
/// Retrieve the template argument list as written in the sources,
/// if any.
const ASTTemplateArgumentListInfo *getTemplateArgsAsWritten() const {
- if (auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>())
+ if (auto *Info =
+ dyn_cast_if_present<ExplicitInstantiationInfo *>(ExplicitInfo))
----------------
nikic wrote:
I'm a bit confused by this one. I'd have expected dyn_cast to work here, given
the following cast. Or is this the weird case where cast on the non-first
pointer union member accepts null?
https://github.com/llvm/llvm-project/pull/124425
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