================
@@ -169,14 +169,18 @@ bool CXXBasePaths::lookupInBases(ASTContext &Context,
// Find the record of the base class subobjects for this type.
QualType BaseType =
Context.getCanonicalType(BaseSpec.getType()).getUnqualifiedType();
+ bool isCurrentInstantiation = false;
+ if (auto *TST = BaseSpec.getType()->getAs<TemplateSpecializationType>())
+ isCurrentInstantiation = TST->isCurrentInstantiation();
----------------
mizvekov wrote:
This relies on a TemplateSpecializationType which is a type sugar to make this
determination, and type sugar could be lost, for example with template
instantiation.
Might be worth double checking and adding a test case where the base type is
formed from instantiation.
This test would be equivalent to checking if the type is canonically an
InjectedClassNameType:
```suggestion
bool isCurrentInstantiation = isa<InjectedClassNameType>(BaseType);
```
This is reliable as it only depends on the canonical type.
https://github.com/llvm/llvm-project/pull/114978
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